Q: What is the sum of all factors of the number 420,018 excluding 420,018?
A: 420,030
The factors of the number 420,018 are: 1, 2, 3, 6, 70003, 140006, 210009, 420018.
If you add them up, you will get the total of 420,438. Now subtract 420,018 to get 420,030