20184756475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{3527}}^1\times {\mathrm{17609}}^1$

素因数の和:21159

約数の個数: 24

約数和(自身を含む): 26963586720

約数和(自身を除く): 6778830245

約数列:

[1, 5, 13, 25, 65, 325, 3527, 17609, 17635, 45851, 88045, 88175, 228917, 229255, 440225, 1144585, 1146275, 5722925, 62106943, 310534715, 807390259, 1552673575, 4036951295, 20184756475]

約数ペア:

[(1, 20184756475), (5, 4036951295), (13, 1552673575), (25, 807390259), (65, 310534715), (325, 62106943), (3527, 5722925), (17609, 1146275), (17635, 1144585), (45851, 440225), (88045, 229255), (88175, 228917)]