20616739968

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2131

約数の個数: 256

約数和(自身を含む): 62480793600

約数和(自身を除く): 41864053632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 79, 88, 93, 96, 124, 128, 132, 158, 176, 186, 192, 237, 248, 264, 316, 341, 352, 372, 384, 474, 496, 528, 632, 682, 704, 744, 869, 948, 992, 1023, 1056, 1264, 1364, 1408, 1488, 1738, 1896, 1984, 1993, 2046, 2112, 2449, 2528, 2607, 2728, 2976, 3476, 3792, 3968, 3986, 4092, 4224, 4898, 5056, 5214, 5456, 5952, 5979, 6952, 7347, 7584, 7972, 8184, 9796, 10112, 10428, 10912, 11904, 11958, 13904, 14694, 15168, 15944, 16368, 19592, 20856, 21824, 21923, 23916, 26939, 27808, 29388, 30336, 31888, 32736, 39184, 41712, 43648, 43846, 47832, 53878, 55616, 58776, 61783, 63776, 65472, 65769, 78368, 80817, 83424, 87692, 95664, 107756, 111232, 117552, 123566, 127552, 130944, 131538, 156736, 157447, 161634, 166848, 175384, 185349, 191328, 215512, 235104, 247132, 255104, 263076, 313472, 314894, 323268, 333696, 350768, 370698, 382656, 431024, 470208, 472341, 494264, 526152, 629788, 646536, 679613, 701536, 741396, 765312, 862048, 940416, 944682, 988528, 1052304, 1259576, 1293072, 1359226, 1403072, 1482792, 1724096, 1731917, 1889364, 1977056, 2038839, 2104608, 2519152, 2586144, 2718452, 2806144, 2965584, 3448192, 3463834, 3778728, 3954112, 4077678, 4209216, 4880857, 5038304, 5172288, 5195751, 5436904, 5931168, 6927668, 7557456, 7908224, 8155356, 8418432, 9761714, 10076608, 10344576, 10391502, 10873808, 11862336, 13855336, 14642571, 15114912, 16310712, 19523428, 20153216, 20783004, 21747616, 23724672, 27710672, 29285142, 30229824, 32621424, 39046856, 41566008, 43495232, 53689427, 55421344, 58570284, 60459648, 65242848, 78093712, 83132016, 86990464, 107378854, 110842688, 117140568, 130485696, 156187424, 161068281, 166264032, 214757708, 221685376, 234281136, 260971392, 312374848, 322136562, 332528064, 429515416, 468562272, 624749696, 644273124, 665056128, 859030832, 937124544, 1288546248, 1718061664, 1874249088, 2577092496, 3436123328, 5154184992, 6872246656, 10308369984, 20616739968]

約数ペア:

[(1, 20616739968), (2, 10308369984), (3, 6872246656), (4, 5154184992), (6, 3436123328), (8, 2577092496), (11, 1874249088), (12, 1718061664), (16, 1288546248), (22, 937124544), (24, 859030832), (31, 665056128), (32, 644273124), (33, 624749696), (44, 468562272), (48, 429515416), (62, 332528064), (64, 322136562), (66, 312374848), (79, 260971392), (88, 234281136), (93, 221685376), (96, 214757708), (124, 166264032), (128, 161068281), (132, 156187424), (158, 130485696), (176, 117140568), (186, 110842688), (192, 107378854), (237, 86990464), (248, 83132016), (264, 78093712), (316, 65242848), (341, 60459648), (352, 58570284), (372, 55421344), (384, 53689427), (474, 43495232), (496, 41566008), (528, 39046856), (632, 32621424), (682, 30229824), (704, 29285142), (744, 27710672), (869, 23724672), (948, 21747616), (992, 20783004), (1023, 20153216), (1056, 19523428), (1264, 16310712), (1364, 15114912), (1408, 14642571), (1488, 13855336), (1738, 11862336), (1896, 10873808), (1984, 10391502), (1993, 10344576), (2046, 10076608), (2112, 9761714), (2449, 8418432), (2528, 8155356), (2607, 7908224), (2728, 7557456), (2976, 6927668), (3476, 5931168), (3792, 5436904), (3968, 5195751), (3986, 5172288), (4092, 5038304), (4224, 4880857), (4898, 4209216), (5056, 4077678), (5214, 3954112), (5456, 3778728), (5952, 3463834), (5979, 3448192), (6952, 2965584), (7347, 2806144), (7584, 2718452), (7972, 2586144), (8184, 2519152), (9796, 2104608), (10112, 2038839), (10428, 1977056), (10912, 1889364), (11904, 1731917), (11958, 1724096), (13904, 1482792), (14694, 1403072), (15168, 1359226), (15944, 1293072), (16368, 1259576), (19592, 1052304), (20856, 988528), (21824, 944682), (21923, 940416), (23916, 862048), (26939, 765312), (27808, 741396), (29388, 701536), (30336, 679613), (31888, 646536), (32736, 629788), (39184, 526152), (41712, 494264), (43648, 472341), (43846, 470208), (47832, 431024), (53878, 382656), (55616, 370698), (58776, 350768), (61783, 333696), (63776, 323268), (65472, 314894), (65769, 313472), (78368, 263076), (80817, 255104), (83424, 247132), (87692, 235104), (95664, 215512), (107756, 191328), (111232, 185349), (117552, 175384), (123566, 166848), (127552, 161634), (130944, 157447), (131538, 156736)]