20779780483

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 28485918720

約数和(自身を除く): 7706138237

約数列:

[1, 7, 11, 19, 47, 77, 83, 121, 133, 209, 329, 331, 517, 581, 847, 893, 913, 1463, 1577, 2299, 2317, 3619, 3641, 3901, 5687, 6251, 6289, 6391, 9823, 10043, 11039, 15557, 16093, 17347, 25487, 27307, 27473, 39809, 40051, 42911, 44023, 68761, 69179, 70301, 74119, 108053, 108899, 121429, 171127, 190817, 192311, 280357, 295583, 300377, 302203, 472021, 484253, 518833, 521987, 756371, 760969, 815309, 1197889, 1291231, 1335719, 1882397, 2069081, 2115421, 3251413, 3304147, 3324233, 3653909, 5326783, 5707163, 5741857, 8968399, 9038617, 13176779, 14203541, 22759891, 23269631, 24533389, 35765543, 40192999, 62778793, 63160427, 99424787, 156238951, 171733723, 250358801, 269867279, 442122989, 1093672657, 1889070953, 2968540069, 20779780483]

約数ペア:

[(1, 20779780483), (7, 2968540069), (11, 1889070953), (19, 1093672657), (47, 442122989), (77, 269867279), (83, 250358801), (121, 171733723), (133, 156238951), (209, 99424787), (329, 63160427), (331, 62778793), (517, 40192999), (581, 35765543), (847, 24533389), (893, 23269631), (913, 22759891), (1463, 14203541), (1577, 13176779), (2299, 9038617), (2317, 8968399), (3619, 5741857), (3641, 5707163), (3901, 5326783), (5687, 3653909), (6251, 3324233), (6289, 3304147), (6391, 3251413), (9823, 2115421), (10043, 2069081), (11039, 1882397), (15557, 1335719), (16093, 1291231), (17347, 1197889), (25487, 815309), (27307, 760969), (27473, 756371), (39809, 521987), (40051, 518833), (42911, 484253), (44023, 472021), (68761, 302203), (69179, 300377), (70301, 295583), (74119, 280357), (108053, 192311), (108899, 190817), (121429, 171127)]