20172773608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{420757}}^1$

素因数の和:421237

約数の個数: 32

約数和(自身を含む): 40821941160

約数和(自身を除く): 20649167552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 461, 922, 1844, 3688, 5993, 11986, 23972, 47944, 420757, 841514, 1683028, 3366056, 5469841, 10939682, 21879364, 43758728, 193968977, 387937954, 775875908, 1551751816, 2521596701, 5043193402, 10086386804, 20172773608]

約数ペア:

[(1, 20172773608), (2, 10086386804), (4, 5043193402), (8, 2521596701), (13, 1551751816), (26, 775875908), (52, 387937954), (104, 193968977), (461, 43758728), (922, 21879364), (1844, 10939682), (3688, 5469841), (5993, 3366056), (11986, 1683028), (23972, 841514), (47944, 420757)]