20896610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2179}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 43320960

約数和(自身を除く): 22424350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2179, 4358, 4795, 9590, 10895, 15253, 21790, 30506, 76265, 152530, 298523, 597046, 1492615, 2089661, 2985230, 4179322, 10448305, 20896610]

約数ペア:

[(1, 20896610), (2, 10448305), (5, 4179322), (7, 2985230), (10, 2089661), (14, 1492615), (35, 597046), (70, 298523), (137, 152530), (274, 76265), (685, 30506), (959, 21790), (1370, 15253), (1918, 10895), (2179, 9590), (4358, 4795)]