20199208689

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{208409}}^1$

素因数の和:208526

約数の個数: 36

約数和(自身を含む): 32430680100

約数和(自身を除く): 12231471411

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 267, 363, 801, 979, 1089, 2937, 8811, 10769, 32307, 96921, 208409, 625227, 1875681, 2292499, 6877497, 18548401, 20632491, 25217489, 55645203, 75652467, 166935609, 204032411, 226957401, 612097233, 1836291699, 2244356521, 6733069563, 20199208689]

約数ペア:

[(1, 20199208689), (3, 6733069563), (9, 2244356521), (11, 1836291699), (33, 612097233), (89, 226957401), (99, 204032411), (121, 166935609), (267, 75652467), (363, 55645203), (801, 25217489), (979, 20632491), (1089, 18548401), (2937, 6877497), (8811, 2292499), (10769, 1875681), (32307, 625227), (96921, 208409)]