20168070620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1\times {\mathrm{11579}}^1$

素因数の和:12854

約数の個数: 48

約数和(自身を含む): 42972824160

約数和(自身を除く): 22804753540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1193, 1460, 2386, 4772, 5965, 11579, 11930, 23158, 23860, 46316, 57895, 87089, 115790, 174178, 231580, 348356, 435445, 845267, 870890, 1690534, 1741780, 3381068, 4226335, 8452670, 13813747, 16905340, 27627494, 55254988, 69068735, 138137470, 276274940, 1008403531, 2016807062, 4033614124, 5042017655, 10084035310, 20168070620]

約数ペア:

[(1, 20168070620), (2, 10084035310), (4, 5042017655), (5, 4033614124), (10, 2016807062), (20, 1008403531), (73, 276274940), (146, 138137470), (292, 69068735), (365, 55254988), (730, 27627494), (1193, 16905340), (1460, 13813747), (2386, 8452670), (4772, 4226335), (5965, 3381068), (11579, 1741780), (11930, 1690534), (23158, 870890), (23860, 845267), (46316, 435445), (57895, 348356), (87089, 231580), (115790, 174178)]