20452005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64927}}^1$

素因数の和:64945

約数の個数: 24

約数和(自身を含む): 40515072

約数和(自身を除く): 20063067

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64927, 194781, 324635, 454489, 584343, 973905, 1363467, 2272445, 2921715, 4090401, 6817335, 20452005]

約数ペア:

[(1, 20452005), (3, 6817335), (5, 4090401), (7, 2921715), (9, 2272445), (15, 1363467), (21, 973905), (35, 584343), (45, 454489), (63, 324635), (105, 194781), (315, 64927)]