66420620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474433}}^1$

素因数の和:474449

約数の個数: 24

約数和(自身を含む): 159409824

約数和(自身を除く): 92989204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474433, 948866, 1897732, 2372165, 3321031, 4744330, 6642062, 9488660, 13284124, 16605155, 33210310, 66420620]

約数ペア:

[(1, 66420620), (2, 33210310), (4, 16605155), (5, 13284124), (7, 9488660), (10, 6642062), (14, 4744330), (20, 3321031), (28, 2372165), (35, 1897732), (70, 948866), (140, 474433)]