20831001

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1709}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 8717799

約数列:

[1, 3, 17, 51, 239, 717, 1709, 4063, 5127, 12189, 29053, 87159, 408451, 1225353, 6943667, 20831001]

約数ペア:

[(1, 20831001), (3, 6943667), (17, 1225353), (51, 408451), (239, 87159), (717, 29053), (1709, 12189), (4063, 5127)]