20512551645610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{395156071}}^1$

素因数の和:395156286

約数の個数: 32

約数和(自身を含む): 38409170198400

約数和(自身を除く): 17896618552790

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 895, 1790, 5191, 10382, 25955, 51910, 395156071, 790312142, 1975780355, 3951560710, 11459526059, 22919052118, 57297630295, 70732936709, 114595260590, 141465873418, 353664683545, 707329367090, 2051255164561, 4102510329122, 10256275822805, 20512551645610]

約数ペア:

[(1, 20512551645610), (2, 10256275822805), (5, 4102510329122), (10, 2051255164561), (29, 707329367090), (58, 353664683545), (145, 141465873418), (179, 114595260590), (290, 70732936709), (358, 57297630295), (895, 22919052118), (1790, 11459526059), (5191, 3951560710), (10382, 1975780355), (25955, 790312142), (51910, 395156071)]