Q: What is the sum of all factors of the number 6,620 excluding 6,620?
A: 7,324
The factors of the number 6,620 are: 1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620.
If you add them up, you will get the total of 6,627. Now subtract 6,620 to get 7,324