20172183836

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1089917}}^1$

素因数の和:1090589

約数の個数: 24

約数和(自身を含む): 40405440096

約数和(自身を除く): 20233256260

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 9254, 18508, 1089917, 2179834, 4359668, 7629419, 15258838, 30517676, 720435137, 1440870274, 2881740548, 5043045959, 10086091918, 20172183836]

約数ペア:

[(1, 20172183836), (2, 10086091918), (4, 5043045959), (7, 2881740548), (14, 1440870274), (28, 720435137), (661, 30517676), (1322, 15258838), (2644, 7629419), (4627, 4359668), (9254, 2179834), (18508, 1089917)]