20108120

素因数分解:

$2^3\times 5^1\times {\mathrm{502703}}^1$

素因数の和:502714

約数の個数: 16

約数和(自身を含む): 45243360

約数和(自身を除く): 25135240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502703, 1005406, 2010812, 2513515, 4021624, 5027030, 10054060, 20108120]

約数ペア:

[(1, 20108120), (2, 10054060), (4, 5027030), (5, 4021624), (8, 2513515), (10, 2010812), (20, 1005406), (40, 502703)]