Q: What is the sum of all factors of the number 20,748 excluding 20,748?

A: 41,972

Why is 41,972 the sum of all factors of 20,748, excluding 20,748?

The factors of the number 20,748 are: 1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6916, 10374, 20748.

If you add them up, you will get the total of 20,789. Now subtract 20,748 to get 41,972