20544525

素因数分解:

$3^2\times 5^2\times {\mathrm{91309}}^1$

素因数の和:91325

約数の個数: 18

約数和(自身を含む): 36797930

約数和(自身を除く): 16253405

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 91309, 273927, 456545, 821781, 1369635, 2282725, 4108905, 6848175, 20544525]

約数ペア:

[(1, 20544525), (3, 6848175), (5, 4108905), (9, 2282725), (15, 1369635), (25, 821781), (45, 456545), (75, 273927), (225, 91309)]