20065389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3677}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 28600128

約数和(自身を除く): 8534739

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3677, 5457, 11031, 62509, 187527, 393439, 1180317, 6688463, 20065389]

約数ペア:

[(1, 20065389), (3, 6688463), (17, 1180317), (51, 393439), (107, 187527), (321, 62509), (1819, 11031), (3677, 5457)]