20707166

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 32771640

約数和(自身を除く): 12064474

約数列:

[1, 2, 43, 47, 86, 94, 109, 218, 2021, 2209, 4042, 4418, 4687, 5123, 9374, 10246, 94987, 189974, 220289, 240781, 440578, 481562, 10353583, 20707166]

約数ペア:

[(1, 20707166), (2, 10353583), (43, 481562), (47, 440578), (86, 240781), (94, 220289), (109, 189974), (218, 94987), (2021, 10246), (2209, 9374), (4042, 5123), (4418, 4687)]