20258095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 29574720

約数和(自身を除く): 9316625

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 977, 1595, 1885, 4147, 4885, 10747, 12701, 20735, 28333, 53735, 63505, 139711, 141665, 311663, 368329, 698555, 1558315, 1841645, 4051619, 20258095]

約数ペア:

[(1, 20258095), (5, 4051619), (11, 1841645), (13, 1558315), (29, 698555), (55, 368329), (65, 311663), (143, 141665), (145, 139711), (319, 63505), (377, 53735), (715, 28333), (977, 20735), (1595, 12701), (1885, 10747), (4147, 4885)]