20427568

素因数分解:

$2^4\times 7^1\times {\mathrm{182389}}^1$

素因数の和:182404

約数の個数: 20

約数和(自身を含む): 45232720

約数和(自身を除く): 24805152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182389, 364778, 729556, 1276723, 1459112, 2553446, 2918224, 5106892, 10213784, 20427568]

約数ペア:

[(1, 20427568), (2, 10213784), (4, 5106892), (7, 2918224), (8, 2553446), (14, 1459112), (16, 1276723), (28, 729556), (56, 364778), (112, 182389)]