20984414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3067}}^1$

素因数の和:3391

約数の個数: 16

約数和(自身を含む): 34459776

約数和(自身を除く): 13475362

約数列:

[1, 2, 11, 22, 311, 622, 3067, 3421, 6134, 6842, 33737, 67474, 953837, 1907674, 10492207, 20984414]

約数ペア:

[(1, 20984414), (2, 10492207), (11, 1907674), (22, 953837), (311, 67474), (622, 33737), (3067, 6842), (3421, 6134)]