20040165

素因数分解:

$3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{907}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 34845408

約数和(自身を除く): 14805243

約数列:

[1, 3, 5, 9, 15, 45, 491, 907, 1473, 2455, 2721, 4419, 4535, 7365, 8163, 13605, 22095, 40815, 445337, 1336011, 2226685, 4008033, 6680055, 20040165]

約数ペア:

[(1, 20040165), (3, 6680055), (5, 4008033), (9, 2226685), (15, 1336011), (45, 445337), (491, 40815), (907, 22095), (1473, 13605), (2455, 8163), (2721, 7365), (4419, 4535)]