20805119973

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2347}}^1\times {\mathrm{9949}}^1$

素因数の和:12319

約数の個数: 40

約数和(自身を含む): 33922495200

約数和(自身を除く): 13117375227

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2347, 7041, 9949, 21123, 25817, 29847, 63369, 77451, 89541, 109439, 190107, 232353, 268623, 328317, 697059, 805869, 984951, 2091177, 2954853, 8864559, 23350303, 70050909, 210152727, 256853333, 630458181, 770559999, 1891374543, 2311679997, 6935039991, 20805119973]

約数ペア:

[(1, 20805119973), (3, 6935039991), (9, 2311679997), (11, 1891374543), (27, 770559999), (33, 630458181), (81, 256853333), (99, 210152727), (297, 70050909), (891, 23350303), (2347, 8864559), (7041, 2954853), (9949, 2091177), (21123, 984951), (25817, 805869), (29847, 697059), (63369, 328317), (77451, 268623), (89541, 232353), (109439, 190107)]