20826990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77137}}^1$

素因数の和:77153

約数の個数: 32

約数和(自身を含む): 55539360

約数和(自身を除く): 34712370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77137, 154274, 231411, 385685, 462822, 694233, 771370, 1157055, 1388466, 2082699, 2314110, 3471165, 4165398, 6942330, 10413495, 20826990]

約数ペア:

[(1, 20826990), (2, 10413495), (3, 6942330), (5, 4165398), (6, 3471165), (9, 2314110), (10, 2082699), (15, 1388466), (18, 1157055), (27, 771370), (30, 694233), (45, 462822), (54, 385685), (90, 231411), (135, 154274), (270, 77137)]