20838961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3389}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 25058880

約数和(自身を除く): 4219919

約数列:

[1, 11, 13, 43, 143, 473, 559, 3389, 6149, 37279, 44057, 145727, 484627, 1602997, 1894451, 20838961]

約数ペア:

[(1, 20838961), (11, 1894451), (13, 1602997), (43, 484627), (143, 145727), (473, 44057), (559, 37279), (3389, 6149)]