20165142848

素因数分解:

$2^6\times {\mathrm{20611}}^1\times {\mathrm{15287}}^1$

素因数の和:35910

約数の個数: 28

約数和(自身を含む): 40019764512

約数和(自身を除く): 19854621664

約数列:

[1, 2, 4, 8, 16, 32, 64, 15287, 20611, 30574, 41222, 61148, 82444, 122296, 164888, 244592, 329776, 489184, 659552, 978368, 1319104, 315080357, 630160714, 1260321428, 2520642856, 5041285712, 10082571424, 20165142848]

約数ペア:

[(1, 20165142848), (2, 10082571424), (4, 5041285712), (8, 2520642856), (16, 1260321428), (32, 630160714), (64, 315080357), (15287, 1319104), (20611, 978368), (30574, 659552), (41222, 489184), (61148, 329776), (82444, 244592), (122296, 164888)]