20625164

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5623}}^1$

素因数の和:5765

約数の個数: 24

約数和(自身を含む): 41572608

約数和(自身を除く): 20947444

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5623, 11246, 22492, 39361, 78722, 157444, 736613, 1473226, 2946452, 5156291, 10312582, 20625164]

約数ペア:

[(1, 20625164), (2, 10312582), (4, 5156291), (7, 2946452), (14, 1473226), (28, 736613), (131, 157444), (262, 78722), (524, 39361), (917, 22492), (1834, 11246), (3668, 5623)]