20137907535

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{62873}}^1$

素因数の和:63175

約数の個数: 32

約数和(自身を含む): 32666312448

約数和(自身を除く): 12528404913

約数列:

[1, 3, 5, 15, 131, 163, 393, 489, 655, 815, 1965, 2445, 21353, 62873, 64059, 106765, 188619, 314365, 320295, 943095, 8236363, 10248299, 24709089, 30744897, 41181815, 51241495, 123545445, 153724485, 1342527169, 4027581507, 6712635845, 20137907535]

約数ペア:

[(1, 20137907535), (3, 6712635845), (5, 4027581507), (15, 1342527169), (131, 153724485), (163, 123545445), (393, 51241495), (489, 41181815), (655, 30744897), (815, 24709089), (1965, 10248299), (2445, 8236363), (21353, 943095), (62873, 320295), (64059, 314365), (106765, 188619)]