20680485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17577435

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2213, 3115, 6639, 9345, 11065, 15491, 33195, 46473, 77455, 196957, 232365, 590871, 984785, 1378699, 2954355, 4136097, 6893495, 20680485]

約数ペア:

[(1, 20680485), (3, 6893495), (5, 4136097), (7, 2954355), (15, 1378699), (21, 984785), (35, 590871), (89, 232365), (105, 196957), (267, 77455), (445, 46473), (623, 33195), (1335, 15491), (1869, 11065), (2213, 9345), (3115, 6639)]