20443358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10771}}^1$

素因数の和:10859

約数の個数: 16

約数和(自身を含む): 33479376

約数和(自身を除く): 13036018

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10771, 21542, 140023, 280046, 786283, 1572566, 10221679, 20443358]

約数ペア:

[(1, 20443358), (2, 10221679), (13, 1572566), (26, 786283), (73, 280046), (146, 140023), (949, 21542), (1898, 10771)]