20811824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118249}}^1$

素因数の和:118268

約数の個数: 20

約数和(自身を含む): 43989000

約数和(自身を除く): 23177176

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118249, 236498, 472996, 945992, 1300739, 1891984, 2601478, 5202956, 10405912, 20811824]

約数ペア:

[(1, 20811824), (2, 10405912), (4, 5202956), (8, 2601478), (11, 1891984), (16, 1300739), (22, 945992), (44, 472996), (88, 236498), (176, 118249)]