20467335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 37596672

約数和(自身を除く): 17129337

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 491, 1191, 1473, 1985, 2455, 2779, 3437, 5955, 7365, 8337, 10311, 13895, 17185, 41685, 51555, 194927, 584781, 974635, 1364489, 2923905, 4093467, 6822445, 20467335]

約数ペア:

[(1, 20467335), (3, 6822445), (5, 4093467), (7, 2923905), (15, 1364489), (21, 974635), (35, 584781), (105, 194927), (397, 51555), (491, 41685), (1191, 17185), (1473, 13895), (1985, 10311), (2455, 8337), (2779, 7365), (3437, 5955)]