20800953

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 31961280

約数和(自身を除く): 11160327

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1181, 1957, 3543, 5871, 10629, 17613, 22439, 67317, 121643, 201951, 364929, 1094787, 2311217, 6933651, 20800953]

約数ペア:

[(1, 20800953), (3, 6933651), (9, 2311217), (19, 1094787), (57, 364929), (103, 201951), (171, 121643), (309, 67317), (927, 22439), (1181, 17613), (1957, 10629), (3543, 5871)]