20011959

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10639}}^1$

素因数の和:10675

約数の個数: 24

約数和(自身を含む): 33196800

約数和(自身を除く): 13184841

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10639, 31917, 95751, 117029, 202141, 351087, 606423, 1053261, 1819269, 2223551, 6670653, 20011959]

約数ペア:

[(1, 20011959), (3, 6670653), (9, 2223551), (11, 1819269), (19, 1053261), (33, 606423), (57, 351087), (99, 202141), (171, 117029), (209, 95751), (627, 31917), (1881, 10639)]