20775310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 39268800

約数和(自身を除く): 18493490

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1009, 2018, 2059, 4118, 5045, 10090, 10295, 20590, 29261, 58522, 71639, 143278, 146305, 292610, 358195, 716390, 2077531, 4155062, 10387655, 20775310]

約数ペア:

[(1, 20775310), (2, 10387655), (5, 4155062), (10, 2077531), (29, 716390), (58, 358195), (71, 292610), (142, 146305), (145, 143278), (290, 71639), (355, 58522), (710, 29261), (1009, 20590), (2018, 10295), (2059, 10090), (4118, 5045)]