20341388475

素因数分解:

$3^2\times 5^2\times {\mathrm{90406171}}^1$

素因数の和:90406187

約数の個数: 18

約数和(自身を含む): 36433687316

約数和(自身を除く): 16092298841

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90406171, 271218513, 452030855, 813655539, 1356092565, 2260154275, 4068277695, 6780462825, 20341388475]

約数ペア:

[(1, 20341388475), (3, 6780462825), (5, 4068277695), (9, 2260154275), (15, 1356092565), (25, 813655539), (45, 452030855), (75, 271218513), (225, 90406171)]