20441188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2663}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 38041920

約数和(自身を除く): 17600732

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2663, 3838, 5326, 7676, 10652, 50597, 101194, 202388, 268963, 537926, 1075852, 5110297, 10220594, 20441188]

約数ペア:

[(1, 20441188), (2, 10220594), (4, 5110297), (19, 1075852), (38, 537926), (76, 268963), (101, 202388), (202, 101194), (404, 50597), (1919, 10652), (2663, 7676), (3838, 5326)]