20342385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64579}}^1$

素因数の和:64597

約数の個数: 24

約数和(自身を含む): 40297920

約数和(自身を除く): 19955535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64579, 193737, 322895, 452053, 581211, 968685, 1356159, 2260265, 2906055, 4068477, 6780795, 20342385]

約数ペア:

[(1, 20342385), (3, 6780795), (5, 4068477), (7, 2906055), (9, 2260265), (15, 1356159), (21, 968685), (35, 581211), (45, 452053), (63, 322895), (105, 193737), (315, 64579)]