20378804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 36741768

約数和(自身を除く): 16362964

約数列:

[1, 2, 4, 41, 82, 164, 313, 397, 626, 794, 1252, 1588, 12833, 16277, 25666, 32554, 51332, 65108, 124261, 248522, 497044, 5094701, 10189402, 20378804]

約数ペア:

[(1, 20378804), (2, 10189402), (4, 5094701), (41, 497044), (82, 248522), (164, 124261), (313, 65108), (397, 51332), (626, 32554), (794, 25666), (1252, 16277), (1588, 12833)]