20211783940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{73141}}^1$

素因数の和:73528

約数の個数: 48

約数和(自身を含む): 43609600944

約数和(自身を除く): 23397817004

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 337, 410, 674, 820, 1348, 1685, 3370, 6740, 13817, 27634, 55268, 69085, 73141, 138170, 146282, 276340, 292564, 365705, 731410, 1462820, 2998781, 5997562, 11995124, 14993905, 24648517, 29987810, 49297034, 59975620, 98594068, 123242585, 246485170, 492970340, 1010589197, 2021178394, 4042356788, 5052945985, 10105891970, 20211783940]

約数ペア:

[(1, 20211783940), (2, 10105891970), (4, 5052945985), (5, 4042356788), (10, 2021178394), (20, 1010589197), (41, 492970340), (82, 246485170), (164, 123242585), (205, 98594068), (337, 59975620), (410, 49297034), (674, 29987810), (820, 24648517), (1348, 14993905), (1685, 11995124), (3370, 5997562), (6740, 2998781), (13817, 1462820), (27634, 731410), (55268, 365705), (69085, 292564), (73141, 276340), (138170, 146282)]