20239828455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{407527}}^1$

素因数の和:407596

約数の個数: 64

約数和(自身を含む): 41313558528

約数和(自身を除く): 21073730073

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 385, 473, 645, 903, 1155, 1419, 1505, 2365, 3311, 4515, 7095, 9933, 16555, 49665, 407527, 1222581, 2037635, 2852689, 4482797, 6112905, 8558067, 13448391, 14263445, 17523661, 22413985, 31379579, 42790335, 52570983, 67241955, 87618305, 94138737, 122665627, 156897895, 192760271, 262854915, 367996881, 470693685, 578280813, 613328135, 963801355, 1349321897, 1839984405, 2891404065, 4047965691, 6746609485, 20239828455]

約数ペア:

[(1, 20239828455), (3, 6746609485), (5, 4047965691), (7, 2891404065), (11, 1839984405), (15, 1349321897), (21, 963801355), (33, 613328135), (35, 578280813), (43, 470693685), (55, 367996881), (77, 262854915), (105, 192760271), (129, 156897895), (165, 122665627), (215, 94138737), (231, 87618305), (301, 67241955), (385, 52570983), (473, 42790335), (645, 31379579), (903, 22413985), (1155, 17523661), (1419, 14263445), (1505, 13448391), (2365, 8558067), (3311, 6112905), (4515, 4482797), (7095, 2852689), (9933, 2037635), (16555, 1222581), (49665, 407527)]