20311095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10181}}^1$

素因数の和:10215

約数の個数: 32

約数和(自身を含む): 39098880

約数和(自身を除く): 18787785

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10181, 30543, 50905, 71267, 152715, 193439, 213801, 356335, 580317, 967195, 1069005, 1354073, 2901585, 4062219, 6770365, 20311095]

約数ペア:

[(1, 20311095), (3, 6770365), (5, 4062219), (7, 2901585), (15, 1354073), (19, 1069005), (21, 967195), (35, 580317), (57, 356335), (95, 213801), (105, 193439), (133, 152715), (285, 71267), (399, 50905), (665, 30543), (1995, 10181)]