20779474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{997}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 33089688

約数和(自身を除く): 12310214

約数列:

[1, 2, 17, 34, 613, 997, 1226, 1994, 10421, 16949, 20842, 33898, 611161, 1222322, 10389737, 20779474]

約数ペア:

[(1, 20779474), (2, 10389737), (17, 1222322), (34, 611161), (613, 33898), (997, 20842), (1226, 16949), (1994, 10421)]