20118196

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1087}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 40334336

約数和(自身を除く): 20216140

約数列:

[1, 2, 4, 7, 14, 28, 661, 1087, 1322, 2174, 2644, 4348, 4627, 7609, 9254, 15218, 18508, 30436, 718507, 1437014, 2874028, 5029549, 10059098, 20118196]

約数ペア:

[(1, 20118196), (2, 10059098), (4, 5029549), (7, 2874028), (14, 1437014), (28, 718507), (661, 30436), (1087, 18508), (1322, 15218), (2174, 9254), (2644, 7609), (4348, 4627)]