20652489

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 36265152

約数和(自身を除く): 15612663

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1783, 3861, 5349, 11583, 16047, 19613, 23179, 48141, 58839, 69537, 144423, 176517, 208611, 254969, 529551, 625833, 764907, 1588653, 1877499, 2294721, 6884163, 20652489]

約数ペア:

[(1, 20652489), (3, 6884163), (9, 2294721), (11, 1877499), (13, 1588653), (27, 764907), (33, 625833), (39, 529551), (81, 254969), (99, 208611), (117, 176517), (143, 144423), (297, 69537), (351, 58839), (429, 48141), (891, 23179), (1053, 19613), (1287, 16047), (1783, 11583), (3861, 5349)]