20966049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 14257503

約数列:

[1, 3, 9, 13, 17, 39, 51, 83, 117, 127, 153, 221, 249, 381, 663, 747, 1079, 1143, 1411, 1651, 1989, 2159, 3237, 4233, 4953, 6477, 9711, 10541, 12699, 14859, 18343, 19431, 28067, 31623, 55029, 84201, 94869, 137033, 165087, 179197, 252603, 411099, 537591, 1233297, 1612773, 2329561, 6988683, 20966049]

約数ペア:

[(1, 20966049), (3, 6988683), (9, 2329561), (13, 1612773), (17, 1233297), (39, 537591), (51, 411099), (83, 252603), (117, 179197), (127, 165087), (153, 137033), (221, 94869), (249, 84201), (381, 55029), (663, 31623), (747, 28067), (1079, 19431), (1143, 18343), (1411, 14859), (1651, 12699), (1989, 10541), (2159, 9711), (3237, 6477), (4233, 4953)]