20215724

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 36061200

約数和(自身を除く): 15845476

約数列:

[1, 2, 4, 107, 149, 214, 298, 317, 428, 596, 634, 1268, 15943, 31886, 33919, 47233, 63772, 67838, 94466, 135676, 188932, 5053931, 10107862, 20215724]

約数ペア:

[(1, 20215724), (2, 10107862), (4, 5053931), (107, 188932), (149, 135676), (214, 94466), (298, 67838), (317, 63772), (428, 47233), (596, 33919), (634, 31886), (1268, 15943)]