20887768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{237361}}^1$

素因数の和:237378

約数の個数: 16

約数和(自身を含む): 42725160

約数和(自身を除く): 21837392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 237361, 474722, 949444, 1898888, 2610971, 5221942, 10443884, 20887768]

約数ペア:

[(1, 20887768), (2, 10443884), (4, 5221942), (8, 2610971), (11, 1898888), (22, 949444), (44, 474722), (88, 237361)]