20177458670

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12378809}}^1$

素因数の和:12378979

約数の個数: 16

約数和(自身を含む): 36542247120

約数和(自身を除く): 16364788450

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 12378809, 24757618, 61894045, 123788090, 2017745867, 4035491734, 10088729335, 20177458670]

約数ペア:

[(1, 20177458670), (2, 10088729335), (5, 4035491734), (10, 2017745867), (163, 123788090), (326, 61894045), (815, 24757618), (1630, 12378809)]