20851986816

素因数分解:

$2^7\times 3^4\times {\mathrm{31}}^1\times {\mathrm{64877}}^1$

素因数の和:64934

約数の個数: 160

約数和(自身を含む): 64057942080

約数和(自身を除く): 43205955264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3348, 3456, 3968, 4464, 5022, 5184, 5952, 6696, 8928, 10044, 10368, 11904, 13392, 17856, 20088, 26784, 35712, 40176, 53568, 64877, 80352, 107136, 129754, 160704, 194631, 259508, 321408, 389262, 519016, 583893, 778524, 1038032, 1167786, 1557048, 1751679, 2011187, 2076064, 2335572, 3114096, 3503358, 4022374, 4152128, 4671144, 5255037, 6033561, 6228192, 7006716, 8044748, 8304256, 9342288, 10510074, 12067122, 12456384, 14013432, 16089496, 18100683, 18684576, 21020148, 24134244, 24912768, 28026864, 32178992, 36201366, 37369152, 42040296, 48268488, 54302049, 56053728, 64357984, 72402732, 74738304, 84080592, 96536976, 108604098, 112107456, 128715968, 144805464, 162906147, 168161184, 193073952, 217208196, 224214912, 257431936, 289610928, 325812294, 336322368, 386147904, 434416392, 579221856, 651624588, 672644736, 772295808, 868832784, 1158443712, 1303249176, 1737665568, 2316887424, 2606498352, 3475331136, 5212996704, 6950662272, 10425993408, 20851986816]

約数ペア:

[(1, 20851986816), (2, 10425993408), (3, 6950662272), (4, 5212996704), (6, 3475331136), (8, 2606498352), (9, 2316887424), (12, 1737665568), (16, 1303249176), (18, 1158443712), (24, 868832784), (27, 772295808), (31, 672644736), (32, 651624588), (36, 579221856), (48, 434416392), (54, 386147904), (62, 336322368), (64, 325812294), (72, 289610928), (81, 257431936), (93, 224214912), (96, 217208196), (108, 193073952), (124, 168161184), (128, 162906147), (144, 144805464), (162, 128715968), (186, 112107456), (192, 108604098), (216, 96536976), (248, 84080592), (279, 74738304), (288, 72402732), (324, 64357984), (372, 56053728), (384, 54302049), (432, 48268488), (496, 42040296), (558, 37369152), (576, 36201366), (648, 32178992), (744, 28026864), (837, 24912768), (864, 24134244), (992, 21020148), (1116, 18684576), (1152, 18100683), (1296, 16089496), (1488, 14013432), (1674, 12456384), (1728, 12067122), (1984, 10510074), (2232, 9342288), (2511, 8304256), (2592, 8044748), (2976, 7006716), (3348, 6228192), (3456, 6033561), (3968, 5255037), (4464, 4671144), (5022, 4152128), (5184, 4022374), (5952, 3503358), (6696, 3114096), (8928, 2335572), (10044, 2076064), (10368, 2011187), (11904, 1751679), (13392, 1557048), (17856, 1167786), (20088, 1038032), (26784, 778524), (35712, 583893), (40176, 519016), (53568, 389262), (64877, 321408), (80352, 259508), (107136, 194631), (129754, 160704)]