20804294

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 38408256

約数和(自身を除く): 17603962

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1433, 2074, 2866, 7259, 10031, 14518, 20062, 24361, 48722, 87413, 170527, 174826, 341054, 611891, 1223782, 1486021, 2972042, 10402147, 20804294]

約数ペア:

[(1, 20804294), (2, 10402147), (7, 2972042), (14, 1486021), (17, 1223782), (34, 611891), (61, 341054), (119, 174826), (122, 170527), (238, 87413), (427, 48722), (854, 24361), (1037, 20062), (1433, 14518), (2074, 10031), (2866, 7259)]