20177828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3037}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 38789184

約数和(自身を除く): 18611356

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3037, 3322, 6074, 6644, 12148, 33407, 66814, 133628, 458587, 917174, 1834348, 5044457, 10088914, 20177828]

約数ペア:

[(1, 20177828), (2, 10088914), (4, 5044457), (11, 1834348), (22, 917174), (44, 458587), (151, 133628), (302, 66814), (604, 33407), (1661, 12148), (3037, 6644), (3322, 6074)]