20626564

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2801}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 41424768

約数和(自身を除く): 20798204

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2801, 3682, 5602, 7364, 11204, 19607, 39214, 78428, 736663, 1473326, 2946652, 5156641, 10313282, 20626564]

約数ペア:

[(1, 20626564), (2, 10313282), (4, 5156641), (7, 2946652), (14, 1473326), (28, 736663), (263, 78428), (526, 39214), (1052, 19607), (1841, 11204), (2801, 7364), (3682, 5602)]