20471870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47609}}^1$

素因数の和:47659

約数の個数: 16

約数和(自身を含む): 37707120

約数和(自身を除く): 17235250

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47609, 95218, 238045, 476090, 2047187, 4094374, 10235935, 20471870]

約数ペア:

[(1, 20471870), (2, 10235935), (5, 4094374), (10, 2047187), (43, 476090), (86, 238045), (215, 95218), (430, 47609)]