20547531

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 31561920

約数和(自身を除く): 11014389

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1123, 2033, 3369, 6099, 10107, 18297, 21337, 64011, 120161, 192033, 360483, 1081449, 2283059, 6849177, 20547531]

約数ペア:

[(1, 20547531), (3, 6849177), (9, 2283059), (19, 1081449), (57, 360483), (107, 192033), (171, 120161), (321, 64011), (963, 21337), (1123, 18297), (2033, 10107), (3369, 6099)]