20887856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118681}}^1$

素因数の和:118700

約数の個数: 20

約数和(自身を含む): 44149704

約数和(自身を除く): 23261848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118681, 237362, 474724, 949448, 1305491, 1898896, 2610982, 5221964, 10443928, 20887856]

約数ペア:

[(1, 20887856), (2, 10443928), (4, 5221964), (8, 2610982), (11, 1898896), (16, 1305491), (22, 949448), (44, 474724), (88, 237362), (176, 118681)]