20045675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 27508656

約数和(自身を除く): 7462981

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1667, 2405, 8335, 12025, 21671, 41675, 61679, 108355, 308395, 541775, 801827, 1541975, 4009135, 20045675]

約数ペア:

[(1, 20045675), (5, 4009135), (13, 1541975), (25, 801827), (37, 541775), (65, 308395), (185, 108355), (325, 61679), (481, 41675), (925, 21671), (1667, 12025), (2405, 8335)]