20772628

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 37087232

約数和(自身を除く): 16314604

約数列:

[1, 2, 4, 103, 127, 206, 254, 397, 412, 508, 794, 1588, 13081, 26162, 40891, 50419, 52324, 81782, 100838, 163564, 201676, 5193157, 10386314, 20772628]

約数ペア:

[(1, 20772628), (2, 10386314), (4, 5193157), (103, 201676), (127, 163564), (206, 100838), (254, 81782), (397, 52324), (412, 50419), (508, 40891), (794, 26162), (1588, 13081)]