20578962816

素因数分解:

$2^7\times 3^3\times {\mathrm{109}}^1\times {\mathrm{54629}}^1$

素因数の和:54761

約数の個数: 128

約数和(自身を含む): 61294860000

約数和(自身を除く): 40715897184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 109, 128, 144, 192, 216, 218, 288, 327, 384, 432, 436, 576, 654, 864, 872, 981, 1152, 1308, 1728, 1744, 1962, 2616, 2943, 3456, 3488, 3924, 5232, 5886, 6976, 7848, 10464, 11772, 13952, 15696, 20928, 23544, 31392, 41856, 47088, 54629, 62784, 94176, 109258, 125568, 163887, 188352, 218516, 327774, 376704, 437032, 491661, 655548, 874064, 983322, 1311096, 1474983, 1748128, 1966644, 2622192, 2949966, 3496256, 3933288, 5244384, 5899932, 5954561, 6992512, 7866576, 10488768, 11799864, 11909122, 15733152, 17863683, 20977536, 23599728, 23818244, 31466304, 35727366, 47199456, 47636488, 53591049, 62932608, 71454732, 94398912, 95272976, 107182098, 142909464, 160773147, 188797824, 190545952, 214364196, 285818928, 321546294, 381091904, 428728392, 571637856, 643092588, 762183808, 857456784, 1143275712, 1286185176, 1714913568, 2286551424, 2572370352, 3429827136, 5144740704, 6859654272, 10289481408, 20578962816]

約数ペア:

[(1, 20578962816), (2, 10289481408), (3, 6859654272), (4, 5144740704), (6, 3429827136), (8, 2572370352), (9, 2286551424), (12, 1714913568), (16, 1286185176), (18, 1143275712), (24, 857456784), (27, 762183808), (32, 643092588), (36, 571637856), (48, 428728392), (54, 381091904), (64, 321546294), (72, 285818928), (96, 214364196), (108, 190545952), (109, 188797824), (128, 160773147), (144, 142909464), (192, 107182098), (216, 95272976), (218, 94398912), (288, 71454732), (327, 62932608), (384, 53591049), (432, 47636488), (436, 47199456), (576, 35727366), (654, 31466304), (864, 23818244), (872, 23599728), (981, 20977536), (1152, 17863683), (1308, 15733152), (1728, 11909122), (1744, 11799864), (1962, 10488768), (2616, 7866576), (2943, 6992512), (3456, 5954561), (3488, 5899932), (3924, 5244384), (5232, 3933288), (5886, 3496256), (6976, 2949966), (7848, 2622192), (10464, 1966644), (11772, 1748128), (13952, 1474983), (15696, 1311096), (20928, 983322), (23544, 874064), (31392, 655548), (41856, 491661), (47088, 437032), (54629, 376704), (62784, 327774), (94176, 218516), (109258, 188352), (125568, 163887)]