20179418

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 17179942

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2161, 4322, 4669, 9338, 15127, 30254, 49703, 62669, 99406, 125338, 347921, 438683, 695842, 877366, 1441387, 2882774, 10089709, 20179418]

約数ペア:

[(1, 20179418), (2, 10089709), (7, 2882774), (14, 1441387), (23, 877366), (29, 695842), (46, 438683), (58, 347921), (161, 125338), (203, 99406), (322, 62669), (406, 49703), (667, 30254), (1334, 15127), (2161, 9338), (4322, 4669)]