20151925

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 25953696

約数和(自身を除く): 5801771

約数列:

[1, 5, 25, 53, 67, 227, 265, 335, 1135, 1325, 1675, 3551, 5675, 12031, 15209, 17755, 60155, 76045, 88775, 300775, 380225, 806077, 4030385, 20151925]

約数ペア:

[(1, 20151925), (5, 4030385), (25, 806077), (53, 380225), (67, 300775), (227, 88775), (265, 76045), (335, 60155), (1135, 17755), (1325, 15209), (1675, 12031), (3551, 5675)]