Q: What is the sum of all factors of the number 31,564 excluding 31,564?
A: 28,020
The factors of the number 31,564 are: 1, 2, 4, 13, 26, 52, 607, 1214, 2428, 7891, 15782, 31564.
If you add them up, you will get the total of 31,592. Now subtract 31,564 to get 28,020