Q: What is the sum of all factors of the number 15,820 excluding 15,820?
A: 22,484
The factors of the number 15,820 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820.
If you add them up, you will get the total of 15,842. Now subtract 15,820 to get 22,484