20825665

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3083}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 28718208

約数和(自身を除く): 7892543

約数列:

[1, 5, 7, 35, 193, 965, 1351, 3083, 6755, 15415, 21581, 107905, 595019, 2975095, 4165133, 20825665]

約数ペア:

[(1, 20825665), (5, 4165133), (7, 2975095), (35, 595019), (193, 107905), (965, 21581), (1351, 15415), (3083, 6755)]