20501282

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1069}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 31637760

約数和(自身を除く): 11136478

約数列:

[1, 2, 43, 86, 223, 446, 1069, 2138, 9589, 19178, 45967, 91934, 238387, 476774, 10250641, 20501282]

約数ペア:

[(1, 20501282), (2, 10250641), (43, 476774), (86, 238387), (223, 91934), (446, 45967), (1069, 19178), (2138, 9589)]