20626444

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 37241568

約数和(自身を除く): 16615124

約数列:

[1, 2, 4, 41, 82, 164, 173, 346, 692, 727, 1454, 2908, 7093, 14186, 28372, 29807, 59614, 119228, 125771, 251542, 503084, 5156611, 10313222, 20626444]

約数ペア:

[(1, 20626444), (2, 10313222), (4, 5156611), (41, 503084), (82, 251542), (164, 125771), (173, 119228), (346, 59614), (692, 29807), (727, 28372), (1454, 14186), (2908, 7093)]