20879181504

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:800

約数の個数: 336

約数和(自身を含む): 65053098240

約数和(自身を除く): 44173916736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 61, 62, 64, 72, 87, 93, 96, 116, 122, 124, 144, 174, 183, 186, 192, 232, 244, 248, 261, 279, 288, 348, 366, 372, 464, 488, 496, 522, 549, 558, 576, 661, 696, 732, 744, 899, 928, 976, 992, 1044, 1098, 1116, 1322, 1392, 1464, 1488, 1769, 1798, 1856, 1891, 1952, 1983, 1984, 2088, 2196, 2232, 2644, 2697, 2784, 2928, 2976, 3538, 3596, 3782, 3904, 3966, 4176, 4392, 4464, 5288, 5307, 5394, 5568, 5673, 5856, 5949, 5952, 7076, 7192, 7564, 7932, 8091, 8352, 8784, 8928, 10576, 10614, 10788, 11346, 11712, 11898, 14152, 14384, 15128, 15864, 15921, 16182, 16704, 17019, 17568, 17856, 19169, 20491, 21152, 21228, 21576, 22692, 23796, 28304, 28768, 30256, 31728, 31842, 32364, 34038, 35136, 38338, 40321, 40982, 42304, 42456, 43152, 45384, 47592, 54839, 56608, 57507, 57536, 60512, 61473, 63456, 63684, 64728, 68076, 76676, 80642, 81964, 84912, 86304, 90768, 95184, 109678, 113216, 115014, 120963, 121024, 122946, 126912, 127368, 129456, 136152, 153352, 161284, 163928, 164517, 169824, 172521, 172608, 181536, 184419, 190368, 219356, 230028, 241926, 245892, 254736, 258912, 272304, 306704, 322568, 327856, 329034, 339648, 345042, 362889, 363072, 368838, 380736, 438712, 460056, 483852, 491784, 493551, 509472, 517824, 544608, 594239, 613408, 645136, 655712, 658068, 690084, 725778, 737676, 877424, 920112, 967704, 983568, 987102, 1018944, 1089216, 1169309, 1188478, 1226816, 1249951, 1290272, 1311424, 1316136, 1380168, 1451556, 1475352, 1754848, 1782717, 1840224, 1935408, 1967136, 1974204, 2338618, 2376956, 2499902, 2580544, 2632272, 2760336, 2903112, 2950704, 3507927, 3509696, 3565434, 3680448, 3749853, 3870816, 3934272, 3948408, 4677236, 4753912, 4999804, 5264544, 5348151, 5520672, 5806224, 5901408, 7015854, 7130868, 7499706, 7741632, 7896816, 9354472, 9507824, 9999608, 10523781, 10529088, 10696302, 11041344, 11249559, 11612448, 11802816, 14031708, 14261736, 14999412, 15793632, 18708944, 19015648, 19999216, 21047562, 21392604, 22499118, 23224896, 28063416, 28523472, 29998824, 31587264, 36248579, 37417888, 38031296, 39998432, 42095124, 42785208, 44998236, 56126832, 57046944, 59997648, 72497158, 74835776, 79996864, 84190248, 85570416, 89996472, 108745737, 112253664, 114093888, 119995296, 144994316, 168380496, 171140832, 179992944, 217491474, 224507328, 239990592, 289988632, 326237211, 336760992, 342281664, 359985888, 434982948, 579977264, 652474422, 673521984, 719971776, 869965896, 1159954528, 1304948844, 1739931792, 2319909056, 2609897688, 3479863584, 5219795376, 6959727168, 10439590752, 20879181504]

約数ペア:

[(1, 20879181504), (2, 10439590752), (3, 6959727168), (4, 5219795376), (6, 3479863584), (8, 2609897688), (9, 2319909056), (12, 1739931792), (16, 1304948844), (18, 1159954528), (24, 869965896), (29, 719971776), (31, 673521984), (32, 652474422), (36, 579977264), (48, 434982948), (58, 359985888), (61, 342281664), (62, 336760992), (64, 326237211), (72, 289988632), (87, 239990592), (93, 224507328), (96, 217491474), (116, 179992944), (122, 171140832), (124, 168380496), (144, 144994316), (174, 119995296), (183, 114093888), (186, 112253664), (192, 108745737), (232, 89996472), (244, 85570416), (248, 84190248), (261, 79996864), (279, 74835776), (288, 72497158), (348, 59997648), (366, 57046944), (372, 56126832), (464, 44998236), (488, 42785208), (496, 42095124), (522, 39998432), (549, 38031296), (558, 37417888), (576, 36248579), (661, 31587264), (696, 29998824), (732, 28523472), (744, 28063416), (899, 23224896), (928, 22499118), (976, 21392604), (992, 21047562), (1044, 19999216), (1098, 19015648), (1116, 18708944), (1322, 15793632), (1392, 14999412), (1464, 14261736), (1488, 14031708), (1769, 11802816), (1798, 11612448), (1856, 11249559), (1891, 11041344), (1952, 10696302), (1983, 10529088), (1984, 10523781), (2088, 9999608), (2196, 9507824), (2232, 9354472), (2644, 7896816), (2697, 7741632), (2784, 7499706), (2928, 7130868), (2976, 7015854), (3538, 5901408), (3596, 5806224), (3782, 5520672), (3904, 5348151), (3966, 5264544), (4176, 4999804), (4392, 4753912), (4464, 4677236), (5288, 3948408), (5307, 3934272), (5394, 3870816), (5568, 3749853), (5673, 3680448), (5856, 3565434), (5949, 3509696), (5952, 3507927), (7076, 2950704), (7192, 2903112), (7564, 2760336), (7932, 2632272), (8091, 2580544), (8352, 2499902), (8784, 2376956), (8928, 2338618), (10576, 1974204), (10614, 1967136), (10788, 1935408), (11346, 1840224), (11712, 1782717), (11898, 1754848), (14152, 1475352), (14384, 1451556), (15128, 1380168), (15864, 1316136), (15921, 1311424), (16182, 1290272), (16704, 1249951), (17019, 1226816), (17568, 1188478), (17856, 1169309), (19169, 1089216), (20491, 1018944), (21152, 987102), (21228, 983568), (21576, 967704), (22692, 920112), (23796, 877424), (28304, 737676), (28768, 725778), (30256, 690084), (31728, 658068), (31842, 655712), (32364, 645136), (34038, 613408), (35136, 594239), (38338, 544608), (40321, 517824), (40982, 509472), (42304, 493551), (42456, 491784), (43152, 483852), (45384, 460056), (47592, 438712), (54839, 380736), (56608, 368838), (57507, 363072), (57536, 362889), (60512, 345042), (61473, 339648), (63456, 329034), (63684, 327856), (64728, 322568), (68076, 306704), (76676, 272304), (80642, 258912), (81964, 254736), (84912, 245892), (86304, 241926), (90768, 230028), (95184, 219356), (109678, 190368), (113216, 184419), (115014, 181536), (120963, 172608), (121024, 172521), (122946, 169824), (126912, 164517), (127368, 163928), (129456, 161284), (136152, 153352)]