20886244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 38696000

約数和(自身を除く): 17809756

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 1381, 2762, 3781, 5524, 7562, 15124, 26239, 52478, 104956, 274819, 549638, 1099276, 5221561, 10443122, 20886244]

約数ペア:

[(1, 20886244), (2, 10443122), (4, 5221561), (19, 1099276), (38, 549638), (76, 274819), (199, 104956), (398, 52478), (796, 26239), (1381, 15124), (2762, 7562), (3781, 5524)]