Q: What is the sum of all factors of the number 11,920 excluding 11,920?
A: 15,980
The factors of the number 11,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920.
If you add them up, you will get the total of 11,935. Now subtract 11,920 to get 15,980