Q: What is the sum of all factors of the number 17,420 excluding 17,420?
A: 22,564
The factors of the number 17,420 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420.
If you add them up, you will get the total of 17,442. Now subtract 17,420 to get 22,564