20279468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 41852160

約数和(自身を除く): 21572692

約数列:

[1, 2, 4, 11, 22, 23, 29, 44, 46, 58, 92, 116, 253, 319, 506, 638, 667, 691, 1012, 1276, 1334, 1382, 2668, 2764, 7337, 7601, 14674, 15202, 15893, 20039, 29348, 30404, 31786, 40078, 63572, 80156, 174823, 220429, 349646, 440858, 460897, 699292, 881716, 921794, 1843588, 5069867, 10139734, 20279468]

約数ペア:

[(1, 20279468), (2, 10139734), (4, 5069867), (11, 1843588), (22, 921794), (23, 881716), (29, 699292), (44, 460897), (46, 440858), (58, 349646), (92, 220429), (116, 174823), (253, 80156), (319, 63572), (506, 40078), (638, 31786), (667, 30404), (691, 29348), (1012, 20039), (1276, 15893), (1334, 15202), (1382, 14674), (2668, 7601), (2764, 7337)]