2020077521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{19681}}^1$

素因数の和:19773

約数の個数: 32

約数和(自身を含む): 2660376576

約数和(自身を除く): 640299055

約数列:

[1, 7, 11, 31, 43, 77, 217, 301, 341, 473, 1333, 2387, 3311, 9331, 14663, 19681, 102641, 137767, 216491, 610111, 846283, 1515437, 4270777, 5923981, 6711221, 9309113, 26234773, 46978547, 65163791, 183643411, 288582503, 2020077521]

約数ペア:

[(1, 2020077521), (7, 288582503), (11, 183643411), (31, 65163791), (43, 46978547), (77, 26234773), (217, 9309113), (301, 6711221), (341, 5923981), (473, 4270777), (1333, 1515437), (2387, 846283), (3311, 610111), (9331, 216491), (14663, 137767), (19681, 102641)]