20132873980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1\times {\mathrm{8821}}^1$

素因数の和:9790

約数の個数: 48

約数和(自身を含む): 42639901920

約数和(自身を除く): 22507027940

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 821, 1390, 1642, 2780, 3284, 4105, 8210, 8821, 16420, 17642, 35284, 44105, 88210, 114119, 176420, 228238, 456476, 570595, 1141190, 1226119, 2282380, 2452238, 4904476, 6130595, 7242041, 12261190, 14484082, 24522380, 28968164, 36210205, 72420410, 144840820, 1006643699, 2013287398, 4026574796, 5033218495, 10066436990, 20132873980]

約数ペア:

[(1, 20132873980), (2, 10066436990), (4, 5033218495), (5, 4026574796), (10, 2013287398), (20, 1006643699), (139, 144840820), (278, 72420410), (556, 36210205), (695, 28968164), (821, 24522380), (1390, 14484082), (1642, 12261190), (2780, 7242041), (3284, 6130595), (4105, 4904476), (8210, 2452238), (8821, 2282380), (16420, 1226119), (17642, 1141190), (35284, 570595), (44105, 456476), (88210, 228238), (114119, 176420)]