Q: What is the sum of all factors of the number 43,420 excluding 43,420?
A: 55,364
The factors of the number 43,420 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 8684, 10855, 21710, 43420.
If you add them up, you will get the total of 43,475. Now subtract 43,420 to get 55,364