20906568

素因数分解:

$2^3\times 3^2\times {\mathrm{290369}}^1$

素因数の和:290381

約数の個数: 24

約数和(自身を含む): 56622150

約数和(自身を除く): 35715582

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290369, 580738, 871107, 1161476, 1742214, 2322952, 2613321, 3484428, 5226642, 6968856, 10453284, 20906568]

約数ペア:

[(1, 20906568), (2, 10453284), (3, 6968856), (4, 5226642), (6, 3484428), (8, 2613321), (9, 2322952), (12, 1742214), (18, 1161476), (24, 871107), (36, 580738), (72, 290369)]