20311084

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 16203716

約数列:

[1, 2, 4, 53, 106, 149, 212, 298, 596, 643, 1286, 2572, 7897, 15794, 31588, 34079, 68158, 95807, 136316, 191614, 383228, 5077771, 10155542, 20311084]

約数ペア:

[(1, 20311084), (2, 10155542), (4, 5077771), (53, 383228), (106, 191614), (149, 136316), (212, 95807), (298, 68158), (596, 34079), (643, 31588), (1286, 15794), (2572, 7897)]