20667404

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2339}}^1$

素因数の和:2437

約数の個数: 18

約数和(自身を含む): 36969660

約数和(自身を除く): 16302256

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2339, 4418, 4678, 8836, 9356, 109933, 219866, 439732, 5166851, 10333702, 20667404]

約数ペア:

[(1, 20667404), (2, 10333702), (4, 5166851), (47, 439732), (94, 219866), (188, 109933), (2209, 9356), (2339, 8836), (4418, 4678)]