20149597874

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5121911}}^1$

素因数の和:5122201

約数の個数: 16

約数和(自身を含む): 34665100416

約数和(自身を除く): 14515502542

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 5121911, 10243822, 35853377, 71706754, 1439256991, 2878513982, 10074798937, 20149597874]

約数ペア:

[(1, 20149597874), (2, 10074798937), (7, 2878513982), (14, 1439256991), (281, 71706754), (562, 35853377), (1967, 10243822), (3934, 5121911)]