Q: What is the sum of all factors of the number 18,420 excluding 18,420?
A: 33,324
The factors of the number 18,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4605, 6140, 9210, 18420.
If you add them up, you will get the total of 18,453. Now subtract 18,420 to get 33,324