Q: What is the sum of all factors of the number 1,200,020 excluding 1,200,020?
A: 1,408,180
The factors of the number 1,200,020 are: 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2069, 4138, 8276, 10345, 20690, 41380, 60001, 120002, 240004, 300005, 600010, 1200020.
If you add them up, you will get the total of 1,200,021. Now subtract 1,200,020 to get 1,408,180