20554391

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 24801840

約数和(自身を除く): 4247449

約数列:

[1, 11, 13, 73, 121, 143, 179, 803, 949, 1573, 1969, 2327, 8833, 10439, 13067, 21659, 25597, 114829, 143737, 169871, 281567, 1581107, 1868581, 20554391]

約数ペア:

[(1, 20554391), (11, 1868581), (13, 1581107), (73, 281567), (121, 169871), (143, 143737), (179, 114829), (803, 25597), (949, 21659), (1573, 13067), (1969, 10439), (2327, 8833)]