20736485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53861}}^1$

素因数の和:53884

約数の個数: 16

約数和(自身を含む): 31024512

約数和(自身を除く): 10288027

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53861, 269305, 377027, 592471, 1885135, 2962355, 4147297, 20736485]

約数ペア:

[(1, 20736485), (5, 4147297), (7, 2962355), (11, 1885135), (35, 592471), (55, 377027), (77, 269305), (385, 53861)]