20806302530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{511337}}^1$

素因数の和:511670

約数の個数: 32

約数和(自身を含む): 40461153264

約数和(自身を除く): 19654850734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 8138, 20345, 40690, 511337, 1022674, 2556685, 5113370, 6647381, 13294762, 33236905, 66473810, 160048481, 320096962, 800242405, 1600484810, 2080630253, 4161260506, 10403151265, 20806302530]

約数ペア:

[(1, 20806302530), (2, 10403151265), (5, 4161260506), (10, 2080630253), (13, 1600484810), (26, 800242405), (65, 320096962), (130, 160048481), (313, 66473810), (626, 33236905), (1565, 13294762), (3130, 6647381), (4069, 5113370), (8138, 2556685), (20345, 1022674), (40690, 511337)]