20853316510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{32797}}^1$

素因数の和:32957

約数の個数: 64

約数和(自身を含む): 41589963072

約数和(自身を除く): 20736646562

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 73, 130, 134, 146, 335, 365, 670, 730, 871, 949, 1742, 1898, 4355, 4745, 4891, 8710, 9490, 9782, 24455, 32797, 48910, 63583, 65594, 127166, 163985, 317915, 327970, 426361, 635830, 852722, 2131805, 2197399, 2394181, 4263610, 4394798, 4788362, 10986995, 11970905, 21973990, 23941810, 28566187, 31124353, 57132374, 62248706, 142830935, 155621765, 160410127, 285661870, 311243530, 320820254, 802050635, 1604101270, 2085331651, 4170663302, 10426658255, 20853316510]

約数ペア:

[(1, 20853316510), (2, 10426658255), (5, 4170663302), (10, 2085331651), (13, 1604101270), (26, 802050635), (65, 320820254), (67, 311243530), (73, 285661870), (130, 160410127), (134, 155621765), (146, 142830935), (335, 62248706), (365, 57132374), (670, 31124353), (730, 28566187), (871, 23941810), (949, 21973990), (1742, 11970905), (1898, 10986995), (4355, 4788362), (4745, 4394798), (4891, 4263610), (8710, 2394181), (9490, 2197399), (9782, 2131805), (24455, 852722), (32797, 635830), (48910, 426361), (63583, 327970), (65594, 317915), (127166, 163985)]