20012757

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1087}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 29846016

約数和(自身を除く): 9833259

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1087, 3261, 6137, 18411, 18479, 20653, 55437, 61959, 351101, 392407, 1053303, 1177221, 6670919, 20012757]

約数ペア:

[(1, 20012757), (3, 6670919), (17, 1177221), (19, 1053303), (51, 392407), (57, 351101), (323, 61959), (361, 55437), (969, 20653), (1083, 18479), (1087, 18411), (3261, 6137)]