20172857660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1\times {\mathrm{4079}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 42787906560

約数和(自身を除く): 22615048900

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 2311, 4079, 4622, 8158, 9244, 11555, 16316, 20395, 23110, 40790, 46220, 81580, 247277, 436453, 494554, 872906, 989108, 1236385, 1745812, 2182265, 2472770, 4364530, 4945540, 8729060, 9426569, 18853138, 37706276, 47132845, 94265690, 188531380, 1008642883, 2017285766, 4034571532, 5043214415, 10086428830, 20172857660]

約数ペア:

[(1, 20172857660), (2, 10086428830), (4, 5043214415), (5, 4034571532), (10, 2017285766), (20, 1008642883), (107, 188531380), (214, 94265690), (428, 47132845), (535, 37706276), (1070, 18853138), (2140, 9426569), (2311, 8729060), (4079, 4945540), (4622, 4364530), (8158, 2472770), (9244, 2182265), (11555, 1745812), (16316, 1236385), (20395, 989108), (23110, 872906), (40790, 494554), (46220, 436453), (81580, 247277)]