20438561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3041}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 4092127

約数列:

[1, 11, 13, 47, 143, 517, 611, 3041, 6721, 33451, 39533, 142927, 434863, 1572197, 1858051, 20438561]

約数ペア:

[(1, 20438561), (11, 1858051), (13, 1572197), (47, 434863), (143, 142927), (517, 39533), (611, 33451), (3041, 6721)]