20826045

素因数分解:

$3^3\times 5^1\times {\mathrm{154267}}^1$

素因数の和:154281

約数の個数: 16

約数和(自身を含む): 37024320

約数和(自身を除く): 16198275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 154267, 462801, 771335, 1388403, 2314005, 4165209, 6942015, 20826045]

約数ペア:

[(1, 20826045), (3, 6942015), (5, 4165209), (9, 2314005), (15, 1388403), (27, 771335), (45, 462801), (135, 154267)]