20778367045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{24091}}^1$

素因数の和:24325

約数の個数: 32

約数和(自身を含む): 26956056960

約数和(自身を除く): 6177689915

約数列:

[1, 5, 17, 73, 85, 139, 365, 695, 1241, 2363, 6205, 10147, 11815, 24091, 50735, 120455, 172499, 409547, 862495, 1758643, 2047735, 3348649, 8793215, 16743245, 29896931, 56927033, 149484655, 244451377, 284635165, 1222256885, 4155673409, 20778367045]

約数ペア:

[(1, 20778367045), (5, 4155673409), (17, 1222256885), (73, 284635165), (85, 244451377), (139, 149484655), (365, 56927033), (695, 29896931), (1241, 16743245), (2363, 8793215), (6205, 3348649), (10147, 2047735), (11815, 1758643), (24091, 862495), (50735, 409547), (120455, 172499)]