20991624

素因数分解:

$2^3\times 3^1\times {\mathrm{874651}}^1$

素因数の和:874660

約数の個数: 16

約数和(自身を含む): 52479120

約数和(自身を除く): 31487496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 874651, 1749302, 2623953, 3498604, 5247906, 6997208, 10495812, 20991624]

約数ペア:

[(1, 20991624), (2, 10495812), (3, 6997208), (4, 5247906), (6, 3498604), (8, 2623953), (12, 1749302), (24, 874651)]