20512870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41863}}^1$

素因数の和:41884

約数の個数: 24

約数和(自身を含む): 42952464

約数和(自身を除く): 22439594

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41863, 83726, 209315, 293041, 418630, 586082, 1465205, 2051287, 2930410, 4102574, 10256435, 20512870]

約数ペア:

[(1, 20512870), (2, 10256435), (5, 4102574), (7, 2930410), (10, 2051287), (14, 1465205), (35, 586082), (49, 418630), (70, 293041), (98, 209315), (245, 83726), (490, 41863)]