20486529

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{751}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 33942272

約数和(自身を除く): 13455743

約数列:

[1, 3, 7, 9, 21, 63, 433, 751, 1299, 2253, 3031, 3897, 5257, 6759, 9093, 15771, 27279, 47313, 325183, 975549, 2276281, 2926647, 6828843, 20486529]

約数ペア:

[(1, 20486529), (3, 6828843), (7, 2926647), (9, 2276281), (21, 975549), (63, 325183), (433, 47313), (751, 27279), (1299, 15771), (2253, 9093), (3031, 6759), (3897, 5257)]