20050956440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4866737}}^1$

素因数の和:4866851

約数の個数: 32

約数和(自身を含む): 45552667680

約数和(自身を除く): 25501711240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4866737, 9733474, 19466948, 24333685, 38933896, 48667370, 97334740, 194669480, 501273911, 1002547822, 2005095644, 2506369555, 4010191288, 5012739110, 10025478220, 20050956440]

約数ペア:

[(1, 20050956440), (2, 10025478220), (4, 5012739110), (5, 4010191288), (8, 2506369555), (10, 2005095644), (20, 1002547822), (40, 501273911), (103, 194669480), (206, 97334740), (412, 48667370), (515, 38933896), (824, 24333685), (1030, 19466948), (2060, 9733474), (4120, 4866737)]