20005978455

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{5741}}^1$

素因数の和:6149

約数の個数: 64

約数和(自身を含む): 36116720640

約数和(自身を除く): 16110742185

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 311, 415, 747, 933, 1245, 1555, 2241, 2799, 3735, 4665, 5741, 8397, 11205, 13995, 17223, 25813, 28705, 41985, 51669, 77439, 86115, 129065, 155007, 232317, 258345, 387195, 476503, 696951, 775035, 1161585, 1429509, 1785451, 2382515, 3484755, 4288527, 5356353, 7147545, 8927255, 12865581, 16069059, 21442635, 26781765, 48207177, 64327905, 80345295, 148192433, 241035885, 444577299, 740962165, 1333731897, 2222886495, 4001195691, 6668659485, 20005978455]

約数ペア:

[(1, 20005978455), (3, 6668659485), (5, 4001195691), (9, 2222886495), (15, 1333731897), (27, 740962165), (45, 444577299), (83, 241035885), (135, 148192433), (249, 80345295), (311, 64327905), (415, 48207177), (747, 26781765), (933, 21442635), (1245, 16069059), (1555, 12865581), (2241, 8927255), (2799, 7147545), (3735, 5356353), (4665, 4288527), (5741, 3484755), (8397, 2382515), (11205, 1785451), (13995, 1429509), (17223, 1161585), (25813, 775035), (28705, 696951), (41985, 476503), (51669, 387195), (77439, 258345), (86115, 232317), (129065, 155007)]