20297043

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{613}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 31736432

約数和(自身を除く): 11439389

約数列:

[1, 3, 9, 13, 39, 117, 283, 613, 849, 1839, 2547, 3679, 5517, 7969, 11037, 23907, 33111, 71721, 173479, 520437, 1561311, 2255227, 6765681, 20297043]

約数ペア:

[(1, 20297043), (3, 6765681), (9, 2255227), (13, 1561311), (39, 520437), (117, 173479), (283, 71721), (613, 33111), (849, 23907), (1839, 11037), (2547, 7969), (3679, 5517)]