20646008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135829}}^1$

素因数の和:135854

約数の個数: 16

約数和(自身を含む): 40749000

約数和(自身を除く): 20102992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135829, 271658, 543316, 1086632, 2580751, 5161502, 10323004, 20646008]

約数ペア:

[(1, 20646008), (2, 10323004), (4, 5161502), (8, 2580751), (19, 1086632), (38, 543316), (76, 271658), (152, 135829)]