20048860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2659}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 26873540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2659, 3770, 5318, 7540, 10636, 13295, 26590, 34567, 53180, 69134, 77111, 138268, 154222, 172835, 308444, 345670, 385555, 691340, 771110, 1002443, 1542220, 2004886, 4009772, 5012215, 10024430, 20048860]

約数ペア:

[(1, 20048860), (2, 10024430), (4, 5012215), (5, 4009772), (10, 2004886), (13, 1542220), (20, 1002443), (26, 771110), (29, 691340), (52, 385555), (58, 345670), (65, 308444), (116, 172835), (130, 154222), (145, 138268), (260, 77111), (290, 69134), (377, 53180), (580, 34567), (754, 26590), (1508, 13295), (1885, 10636), (2659, 7540), (3770, 5318)]