20126928861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{621029}}^1$

素因数の和:621325

約数の個数: 24

約数和(自身を含む): 31421633880

約数和(自身を除く): 11294705019

約数列:

[1, 3, 9, 13, 39, 117, 277, 831, 2493, 3601, 10803, 32409, 621029, 1863087, 5589261, 8073377, 24220131, 72660393, 172025033, 516075099, 1548225297, 2236325429, 6708976287, 20126928861]

約数ペア:

[(1, 20126928861), (3, 6708976287), (9, 2236325429), (13, 1548225297), (39, 516075099), (117, 172025033), (277, 72660393), (831, 24220131), (2493, 8073377), (3601, 5589261), (10803, 1863087), (32409, 621029)]