20100485780

素因数分解:

$2^2\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{478811}}^1$

素因数の和:480919

約数の個数: 24

約数和(自身を含む): 42231218400

約数和(自身を除く): 22130732620

約数列:

[1, 2, 4, 5, 10, 20, 2099, 4198, 8396, 10495, 20990, 41980, 478811, 957622, 1915244, 2394055, 4788110, 9576220, 1005024289, 2010048578, 4020097156, 5025121445, 10050242890, 20100485780]

約数ペア:

[(1, 20100485780), (2, 10050242890), (4, 5025121445), (5, 4020097156), (10, 2010048578), (20, 1005024289), (2099, 9576220), (4198, 4788110), (8396, 2394055), (10495, 1915244), (20990, 957622), (41980, 478811)]