20158794352

素因数分解:

$2^4\times {\mathrm{69829}}^1\times {\mathrm{18043}}^1$

素因数の和:87880

約数の個数: 20

約数和(自身を含む): 39060388120

約数和(自身を除く): 18901593768

約数列:

[1, 2, 4, 8, 16, 18043, 36086, 69829, 72172, 139658, 144344, 279316, 288688, 558632, 1117264, 1259924647, 2519849294, 5039698588, 10079397176, 20158794352]

約数ペア:

[(1, 20158794352), (2, 10079397176), (4, 5039698588), (8, 2519849294), (16, 1259924647), (18043, 1117264), (36086, 558632), (69829, 288688), (72172, 279316), (139658, 144344)]