20557031

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3634969

約数列:

[1, 11, 19, 41, 209, 451, 779, 2399, 8569, 26389, 45581, 98359, 501391, 1081949, 1868821, 20557031]

約数ペア:

[(1, 20557031), (11, 1868821), (19, 1081949), (41, 501391), (209, 98359), (451, 45581), (779, 26389), (2399, 8569)]