Q: What is the sum of all factors of the number 13,940 excluding 13,940?
A: 17,812
The factors of the number 13,940 are: 1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940.
If you add them up, you will get the total of 13,957. Now subtract 13,940 to get 17,812