20612193

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 32148000

約数和(自身を除く): 11535807

約数列:

[1, 3, 7, 21, 49, 147, 281, 499, 843, 1497, 1967, 3493, 5901, 10479, 13769, 24451, 41307, 73353, 140219, 420657, 981533, 2944599, 6870731, 20612193]

約数ペア:

[(1, 20612193), (3, 6870731), (7, 2944599), (21, 981533), (49, 420657), (147, 140219), (281, 73353), (499, 41307), (843, 24451), (1497, 13769), (1967, 10479), (3493, 5901)]