20008439

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 23786784

約数和(自身を除く): 3778345

約数列:

[1, 11, 17, 71, 121, 137, 187, 781, 1207, 1507, 2057, 2329, 8591, 9727, 13277, 16577, 25619, 106997, 146047, 165359, 281809, 1176967, 1818949, 20008439]

約数ペア:

[(1, 20008439), (11, 1818949), (17, 1176967), (71, 281809), (121, 165359), (137, 146047), (187, 106997), (781, 25619), (1207, 16577), (1507, 13277), (2057, 9727), (2329, 8591)]