Q: What is the sum of all factors of the number 18,920 excluding 18,920?

 A: 28,600

Why is 28,600 the sum of all factors of 18,920, excluding 18,920?

The factors of the number 18,920 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920.

If you add them up, you will get the total of 18,948. Now subtract 18,920 to get 28,600


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