20565889539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{11953}}^1$

素因数の和:12407

約数の個数: 32

約数和(自身を含む): 29826855744

約数和(自身を除く): 9260966205

約数列:

[1, 3, 13, 39, 157, 281, 471, 843, 2041, 3653, 6123, 10959, 11953, 35859, 44117, 132351, 155389, 466167, 573521, 1720563, 1876621, 3358793, 5629863, 10076379, 24396073, 43664309, 73188219, 130992927, 527330501, 1581991503, 6855296513, 20565889539]

約数ペア:

[(1, 20565889539), (3, 6855296513), (13, 1581991503), (39, 527330501), (157, 130992927), (281, 73188219), (471, 43664309), (843, 24396073), (2041, 10076379), (3653, 5629863), (6123, 3358793), (10959, 1876621), (11953, 1720563), (35859, 573521), (44117, 466167), (132351, 155389)]