20161993652

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{397547}}^1$

素因数の和:397991

約数の個数: 24

約数和(自身を含む): 36510808320

約数和(自身を除く): 16348814668

約数列:

[1, 2, 4, 31, 62, 124, 409, 818, 1636, 12679, 25358, 50716, 397547, 795094, 1590188, 12323957, 24647914, 49295828, 162596723, 325193446, 650386892, 5040498413, 10080996826, 20161993652]

約数ペア:

[(1, 20161993652), (2, 10080996826), (4, 5040498413), (31, 650386892), (62, 325193446), (124, 162596723), (409, 49295828), (818, 24647914), (1636, 12323957), (12679, 1590188), (25358, 795094), (50716, 397547)]