20229820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2683}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 47345760

約数和(自身を除く): 27115940

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, 2683, 3770, 5366, 7540, 10732, 13415, 26830, 34879, 53660, 69758, 77807, 139516, 155614, 174395, 311228, 348790, 389035, 697580, 778070, 1011491, 1556140, 2022982, 4045964, 5057455, 10114910, 20229820]

約数ペア:

[(1, 20229820), (2, 10114910), (4, 5057455), (5, 4045964), (10, 2022982), (13, 1556140), (20, 1011491), (26, 778070), (29, 697580), (52, 389035), (58, 348790), (65, 311228), (116, 174395), (130, 155614), (145, 139516), (260, 77807), (290, 69758), (377, 53660), (580, 34879), (754, 26830), (1508, 13415), (1885, 10732), (2683, 7540), (3770, 5366)]