20686870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48109}}^1$

素因数の和:48159

約数の個数: 16

約数和(自身を含む): 38103120

約数和(自身を除く): 17416250

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48109, 96218, 240545, 481090, 2068687, 4137374, 10343435, 20686870]

約数ペア:

[(1, 20686870), (2, 10343435), (5, 4137374), (10, 2068687), (43, 481090), (86, 240545), (215, 96218), (430, 48109)]