20869345

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 29450304

約数和(自身を除く): 8580959

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 827, 3605, 4135, 5047, 5789, 25235, 28945, 40523, 85181, 202615, 425905, 596267, 2981335, 4173869, 20869345]

約数ペア:

[(1, 20869345), (5, 4173869), (7, 2981335), (35, 596267), (49, 425905), (103, 202615), (245, 85181), (515, 40523), (721, 28945), (827, 25235), (3605, 5789), (4135, 5047)]