20412925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 27560736

約数和(自身を除く): 7147811

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 587, 1391, 2675, 2935, 6955, 7631, 14675, 34775, 38155, 62809, 190775, 314045, 816517, 1570225, 4082585, 20412925]

約数ペア:

[(1, 20412925), (5, 4082585), (13, 1570225), (25, 816517), (65, 314045), (107, 190775), (325, 62809), (535, 38155), (587, 34775), (1391, 14675), (2675, 7631), (2935, 6955)]