20512334510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66168821}}^1$

素因数の和:66168859

約数の個数: 16

約数和(自身を含む): 38113241472

約数和(自身を除く): 17600906962

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 66168821, 132337642, 330844105, 661688210, 2051233451, 4102466902, 10256167255, 20512334510]

約数ペア:

[(1, 20512334510), (2, 10256167255), (5, 4102466902), (10, 2051233451), (31, 661688210), (62, 330844105), (155, 132337642), (310, 66168821)]