20176918215

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1\times {\mathrm{14957}}^1$

素因数の和:15751

約数の個数: 32

約数和(自身を含む): 32567754240

約数和(自身を除く): 12390836025

約数列:

[1, 3, 5, 15, 139, 417, 647, 695, 1941, 2085, 3235, 9705, 14957, 44871, 74785, 89933, 224355, 269799, 449665, 1348995, 2079023, 6237069, 9677179, 10395115, 29031537, 31185345, 48385895, 145157685, 1345127881, 4035383643, 6725639405, 20176918215]

約数ペア:

[(1, 20176918215), (3, 6725639405), (5, 4035383643), (15, 1345127881), (139, 145157685), (417, 48385895), (647, 31185345), (695, 29031537), (1941, 10395115), (2085, 9677179), (3235, 6237069), (9705, 2079023), (14957, 1348995), (44871, 449665), (74785, 269799), (89933, 224355)]