20258555

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 24810240

約数和(自身を除く): 4551685

約数列:

[1, 5, 103, 139, 283, 515, 695, 1415, 14317, 29149, 39337, 71585, 145745, 196685, 4051711, 20258555]

約数ペア:

[(1, 20258555), (5, 4051711), (103, 196685), (139, 145745), (283, 71585), (515, 39337), (695, 29149), (1415, 14317)]