20481549

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3319}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 31792320

約数和(自身を除く): 11310771

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3319, 6171, 9957, 36509, 56423, 109527, 169269, 401599, 620653, 1204797, 1861959, 6827183, 20481549]

約数ペア:

[(1, 20481549), (3, 6827183), (11, 1861959), (17, 1204797), (33, 620653), (51, 401599), (121, 169269), (187, 109527), (363, 56423), (561, 36509), (2057, 9957), (3319, 6171)]