20787862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1759}}^1$

素因数の和:2091

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 12159338

約数列:

[1, 2, 19, 38, 311, 622, 1759, 3518, 5909, 11818, 33421, 66842, 547049, 1094098, 10393931, 20787862]

約数ペア:

[(1, 20787862), (2, 10393931), (19, 1094098), (38, 547049), (311, 66842), (622, 33421), (1759, 11818), (3518, 5909)]