20019088

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2903}}^1$

素因数の和:3342

約数の個数: 20

約数和(自身を含む): 38890368

約数和(自身を除く): 18871280

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2903, 3448, 5806, 6896, 11612, 23224, 46448, 1251193, 2502386, 5004772, 10009544, 20019088]

約数ペア:

[(1, 20019088), (2, 10009544), (4, 5004772), (8, 2502386), (16, 1251193), (431, 46448), (862, 23224), (1724, 11612), (2903, 6896), (3448, 5806)]