20945342

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2176

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 14447554

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 2111, 4222, 4961, 9922, 23221, 46442, 86551, 173102, 255431, 510862, 952061, 1904122, 10472671, 20945342]

約数ペア:

[(1, 20945342), (2, 10472671), (11, 1904122), (22, 952061), (41, 510862), (82, 255431), (121, 173102), (242, 86551), (451, 46442), (902, 23221), (2111, 9922), (4222, 4961)]