20686682025

素因数分解:

$3^2\times 5^2\times {\mathrm{91940809}}^1$

素因数の和:91940825

約数の個数: 18

約数和(自身を含む): 37052146430

約数和(自身を除く): 16365464405

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 91940809, 275822427, 459704045, 827467281, 1379112135, 2298520225, 4137336405, 6895560675, 20686682025]

約数ペア:

[(1, 20686682025), (3, 6895560675), (5, 4137336405), (9, 2298520225), (15, 1379112135), (25, 827467281), (45, 459704045), (75, 275822427), (225, 91940809)]