20123362870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154795099}}^1$

素因数の和:154795119

約数の個数: 16

約数和(自身を含む): 39008365200

約数和(自身を除く): 18885002330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154795099, 309590198, 773975495, 1547950990, 2012336287, 4024672574, 10061681435, 20123362870]

約数ペア:

[(1, 20123362870), (2, 10061681435), (5, 4024672574), (10, 2012336287), (13, 1547950990), (26, 773975495), (65, 309590198), (130, 154795099)]