20837047

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 26612768

約数和(自身を除く): 5775721

約数列:

[1, 7, 11, 73, 77, 121, 337, 511, 803, 847, 2359, 3707, 5621, 8833, 24601, 25949, 40777, 61831, 172207, 270611, 285439, 1894277, 2976721, 20837047]

約数ペア:

[(1, 20837047), (7, 2976721), (11, 1894277), (73, 285439), (77, 270611), (121, 172207), (337, 61831), (511, 40777), (803, 25949), (847, 24601), (2359, 8833), (3707, 5621)]