20934711

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 36154872

約数和(自身を除く): 15220161

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1283, 1813, 2331, 3849, 5439, 8981, 11547, 16317, 26943, 47471, 62867, 80829, 142413, 188601, 332297, 427239, 565803, 996891, 2326079, 2990673, 6978237, 20934711]

約数ペア:

[(1, 20934711), (3, 6978237), (7, 2990673), (9, 2326079), (21, 996891), (37, 565803), (49, 427239), (63, 332297), (111, 188601), (147, 142413), (259, 80829), (333, 62867), (441, 47471), (777, 26943), (1283, 16317), (1813, 11547), (2331, 8981), (3849, 5439)]