20403723

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3739}}^1$

素因数の和:3866

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 8678517

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3739, 5457, 11217, 63563, 190689, 400073, 1200219, 6801241, 20403723]

約数ペア:

[(1, 20403723), (3, 6801241), (17, 1200219), (51, 400073), (107, 190689), (321, 63563), (1819, 11217), (3739, 5457)]