20398286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23339}}^1$

素因数の和:23383

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 13211314

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23339, 46678, 443441, 536797, 886882, 1073594, 10199143, 20398286]

約数ペア:

[(1, 20398286), (2, 10199143), (19, 1073594), (23, 886882), (38, 536797), (46, 443441), (437, 46678), (874, 23339)]