201016220

素因数分解:

$2^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{4651}}^1$

素因数の和:6821

約数の個数: 24

約数和(自身を含む): 422420208

約数和(自身を除く): 221403988

約数列:

[1, 2, 4, 5, 10, 20, 2161, 4322, 4651, 8644, 9302, 10805, 18604, 21610, 23255, 43220, 46510, 93020, 10050811, 20101622, 40203244, 50254055, 100508110, 201016220]

約数ペア:

[(1, 201016220), (2, 100508110), (4, 50254055), (5, 40203244), (10, 20101622), (20, 10050811), (2161, 93020), (4322, 46510), (4651, 43220), (8644, 23255), (9302, 21610), (10805, 18604)]