20408865730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{604349}}^1$

素因数の和:604674

約数の個数: 32

約数和(自身を含む): 40206196800

約数和(自身を除く): 19797331070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 307, 614, 1535, 3070, 3377, 6754, 16885, 33770, 604349, 1208698, 3021745, 6043490, 6647839, 13295678, 33239195, 66478390, 185535143, 371070286, 927675715, 1855351430, 2040886573, 4081773146, 10204432865, 20408865730]

約数ペア:

[(1, 20408865730), (2, 10204432865), (5, 4081773146), (10, 2040886573), (11, 1855351430), (22, 927675715), (55, 371070286), (110, 185535143), (307, 66478390), (614, 33239195), (1535, 13295678), (3070, 6647839), (3377, 6043490), (6754, 3021745), (16885, 1208698), (33770, 604349)]