20867740

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2753}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 43953840

約数和(自身を除く): 23086100

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2753, 3790, 5506, 7580, 11012, 13765, 27530, 55060, 1043387, 2086774, 4173548, 5216935, 10433870, 20867740]

約数ペア:

[(1, 20867740), (2, 10433870), (4, 5216935), (5, 4173548), (10, 2086774), (20, 1043387), (379, 55060), (758, 27530), (1516, 13765), (1895, 11012), (2753, 7580), (3790, 5506)]