20403844

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 36750560

約数和(自身を除く): 16346716

約数列:

[1, 2, 4, 43, 86, 172, 313, 379, 626, 758, 1252, 1516, 13459, 16297, 26918, 32594, 53836, 65188, 118627, 237254, 474508, 5100961, 10201922, 20403844]

約数ペア:

[(1, 20403844), (2, 10201922), (4, 5100961), (43, 474508), (86, 237254), (172, 118627), (313, 65188), (379, 53836), (626, 32594), (758, 26918), (1252, 16297), (1516, 13459)]