20665017

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 11683143

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 311, 321, 621, 933, 963, 2461, 2799, 2889, 7153, 7383, 8397, 21459, 22149, 33277, 64377, 66447, 99831, 193131, 299493, 765371, 898479, 2296113, 6888339, 20665017]

約数ペア:

[(1, 20665017), (3, 6888339), (9, 2296113), (23, 898479), (27, 765371), (69, 299493), (107, 193131), (207, 99831), (311, 66447), (321, 64377), (621, 33277), (933, 22149), (963, 21459), (2461, 8397), (2799, 7383), (2889, 7153)]