Q: What is the sum of all factors of the number 17,980 excluding 17,980?
A: 22,340
The factors of the number 17,980 are: 1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980.
If you add them up, you will get the total of 18,002. Now subtract 17,980 to get 22,340