20678086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4296

約数の個数: 32

約数和(自身を含む): 38592288

約数和(自身を除く): 17914202

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4253, 4862, 8506, 46783, 55289, 72301, 93566, 110578, 144602, 608179, 795311, 939913, 1216358, 1590622, 1879826, 10339043, 20678086]

約数ペア:

[(1, 20678086), (2, 10339043), (11, 1879826), (13, 1590622), (17, 1216358), (22, 939913), (26, 795311), (34, 608179), (143, 144602), (187, 110578), (221, 93566), (286, 72301), (374, 55289), (442, 46783), (2431, 8506), (4253, 4862)]