20470995

素因数分解:

$3^3\times 5^1\times {\mathrm{151637}}^1$

素因数の和:151651

約数の個数: 16

約数和(自身を含む): 36393120

約数和(自身を除く): 15922125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151637, 454911, 758185, 1364733, 2274555, 4094199, 6823665, 20470995]

約数ペア:

[(1, 20470995), (3, 6823665), (5, 4094199), (9, 2274555), (15, 1364733), (27, 758185), (45, 454911), (135, 151637)]