20291852

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2053}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 40718496

約数和(自身を除く): 20426644

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2053, 2471, 4106, 4942, 8212, 9884, 14371, 28742, 57484, 724709, 1449418, 2898836, 5072963, 10145926, 20291852]

約数ペア:

[(1, 20291852), (2, 10145926), (4, 5072963), (7, 2898836), (14, 1449418), (28, 724709), (353, 57484), (706, 28742), (1412, 14371), (2053, 9884), (2471, 8212), (4106, 4942)]