20891086

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1511}}^1$

素因数の和:1767

約数の個数: 16

約数和(自身を含む): 32514048

約数和(自身を除く): 11622962

約数列:

[1, 2, 31, 62, 223, 446, 1511, 3022, 6913, 13826, 46841, 93682, 336953, 673906, 10445543, 20891086]

約数ペア:

[(1, 20891086), (2, 10445543), (31, 673906), (62, 336953), (223, 93682), (446, 46841), (1511, 13826), (3022, 6913)]