20529153

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10709}}^1$

素因数の和:10789

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10315647

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10709, 32127, 96381, 289143, 760339, 2281017, 6843051, 20529153]

約数ペア:

[(1, 20529153), (3, 6843051), (9, 2281017), (27, 760339), (71, 289143), (213, 96381), (639, 32127), (1917, 10709)]