20948638464

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 432

約数和(自身を含む): 69425620992

約数和(自身を除く): 48476982528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 47, 48, 52, 64, 69, 72, 78, 92, 94, 96, 104, 117, 128, 138, 141, 144, 156, 184, 188, 192, 207, 208, 234, 256, 276, 282, 288, 299, 312, 368, 376, 384, 414, 416, 423, 468, 552, 564, 576, 598, 611, 624, 647, 736, 752, 768, 828, 832, 846, 897, 936, 1081, 1104, 1128, 1152, 1196, 1222, 1248, 1294, 1472, 1504, 1656, 1664, 1692, 1794, 1833, 1872, 1941, 2162, 2208, 2256, 2304, 2392, 2444, 2496, 2588, 2691, 2944, 3008, 3243, 3312, 3328, 3384, 3588, 3666, 3744, 3882, 4324, 4416, 4512, 4784, 4888, 4992, 5176, 5382, 5499, 5823, 5888, 6016, 6486, 6624, 6768, 7176, 7332, 7488, 7764, 8411, 8648, 8832, 9024, 9568, 9729, 9776, 9984, 10352, 10764, 10998, 11646, 12032, 12972, 13248, 13536, 14053, 14352, 14664, 14881, 14976, 15528, 16822, 17296, 17664, 18048, 19136, 19458, 19552, 20704, 21528, 21996, 23292, 25233, 25944, 26496, 27072, 28106, 28704, 29328, 29762, 29952, 30409, 31056, 33644, 34592, 36096, 38272, 38916, 39104, 41408, 42159, 43056, 43992, 44643, 46584, 50466, 51888, 52992, 54144, 56212, 57408, 58656, 59524, 60818, 62112, 67288, 69184, 75699, 76544, 77832, 78208, 82816, 84318, 86112, 87984, 89286, 91227, 93168, 100932, 103776, 108288, 112424, 114816, 117312, 119048, 121636, 124224, 126477, 133929, 134576, 138368, 151398, 155664, 156416, 165632, 168636, 172224, 175968, 178572, 182454, 186336, 193453, 201864, 207552, 224848, 229632, 234624, 238096, 243272, 248448, 252954, 267858, 269152, 273681, 276736, 302796, 311328, 337272, 344448, 351936, 357144, 364908, 372672, 386906, 395317, 403728, 415104, 449696, 469248, 476192, 486544, 496896, 505908, 535716, 538304, 547362, 580359, 605592, 622656, 674544, 688896, 699407, 703872, 714288, 729816, 745344, 773812, 790634, 807456, 830208, 899392, 952384, 973088, 1011816, 1071432, 1076608, 1094724, 1160718, 1185951, 1211184, 1245312, 1349088, 1398814, 1407744, 1428576, 1459632, 1490688, 1547624, 1581268, 1614912, 1741077, 1798784, 1904768, 1946176, 2023632, 2098221, 2142864, 2153216, 2189448, 2321436, 2371902, 2422368, 2490624, 2698176, 2797628, 2857152, 2919264, 3095248, 3162536, 3229824, 3482154, 3557853, 3597568, 3809536, 3892352, 4047264, 4196442, 4285728, 4378896, 4642872, 4743804, 4844736, 5396352, 5595256, 5714304, 5838528, 6190496, 6294663, 6325072, 6459648, 6964308, 7115706, 7784704, 8094528, 8392884, 8571456, 8757792, 9092291, 9285744, 9487608, 9689472, 10792704, 11190512, 11428608, 11677056, 12380992, 12589326, 12650144, 13928616, 14231412, 16189056, 16785768, 17142912, 17515584, 18184582, 18571488, 18975216, 19378944, 22381024, 23354112, 24761984, 25178652, 25300288, 27276873, 27857232, 28462824, 32378112, 33571536, 34285824, 35031168, 36369164, 37142976, 37950432, 44762048, 49523968, 50357304, 50600576, 54553746, 55714464, 56925648, 67143072, 70062336, 72738328, 74285952, 75900864, 81830619, 89524096, 100714608, 101201152, 109107492, 111428928, 113851296, 134286144, 145476656, 148571904, 151801728, 163661238, 179048192, 201429216, 218214984, 222857856, 227702592, 268572288, 290953312, 303603456, 327322476, 402858432, 436429968, 445715712, 455405184, 537144576, 581906624, 654644952, 805716864, 872859936, 910810368, 1163813248, 1309289904, 1611433728, 1745719872, 2327626496, 2618579808, 3491439744, 5237159616, 6982879488, 10474319232, 20948638464]

約数ペア:

[(1, 20948638464), (2, 10474319232), (3, 6982879488), (4, 5237159616), (6, 3491439744), (8, 2618579808), (9, 2327626496), (12, 1745719872), (13, 1611433728), (16, 1309289904), (18, 1163813248), (23, 910810368), (24, 872859936), (26, 805716864), (32, 654644952), (36, 581906624), (39, 537144576), (46, 455405184), (47, 445715712), (48, 436429968), (52, 402858432), (64, 327322476), (69, 303603456), (72, 290953312), (78, 268572288), (92, 227702592), (94, 222857856), (96, 218214984), (104, 201429216), (117, 179048192), (128, 163661238), (138, 151801728), (141, 148571904), (144, 145476656), (156, 134286144), (184, 113851296), (188, 111428928), (192, 109107492), (207, 101201152), (208, 100714608), (234, 89524096), (256, 81830619), (276, 75900864), (282, 74285952), (288, 72738328), (299, 70062336), (312, 67143072), (368, 56925648), (376, 55714464), (384, 54553746), (414, 50600576), (416, 50357304), (423, 49523968), (468, 44762048), (552, 37950432), (564, 37142976), (576, 36369164), (598, 35031168), (611, 34285824), (624, 33571536), (647, 32378112), (736, 28462824), (752, 27857232), (768, 27276873), (828, 25300288), (832, 25178652), (846, 24761984), (897, 23354112), (936, 22381024), (1081, 19378944), (1104, 18975216), (1128, 18571488), (1152, 18184582), (1196, 17515584), (1222, 17142912), (1248, 16785768), (1294, 16189056), (1472, 14231412), (1504, 13928616), (1656, 12650144), (1664, 12589326), (1692, 12380992), (1794, 11677056), (1833, 11428608), (1872, 11190512), (1941, 10792704), (2162, 9689472), (2208, 9487608), (2256, 9285744), (2304, 9092291), (2392, 8757792), (2444, 8571456), (2496, 8392884), (2588, 8094528), (2691, 7784704), (2944, 7115706), (3008, 6964308), (3243, 6459648), (3312, 6325072), (3328, 6294663), (3384, 6190496), (3588, 5838528), (3666, 5714304), (3744, 5595256), (3882, 5396352), (4324, 4844736), (4416, 4743804), (4512, 4642872), (4784, 4378896), (4888, 4285728), (4992, 4196442), (5176, 4047264), (5382, 3892352), (5499, 3809536), (5823, 3597568), (5888, 3557853), (6016, 3482154), (6486, 3229824), (6624, 3162536), (6768, 3095248), (7176, 2919264), (7332, 2857152), (7488, 2797628), (7764, 2698176), (8411, 2490624), (8648, 2422368), (8832, 2371902), (9024, 2321436), (9568, 2189448), (9729, 2153216), (9776, 2142864), (9984, 2098221), (10352, 2023632), (10764, 1946176), (10998, 1904768), (11646, 1798784), (12032, 1741077), (12972, 1614912), (13248, 1581268), (13536, 1547624), (14053, 1490688), (14352, 1459632), (14664, 1428576), (14881, 1407744), (14976, 1398814), (15528, 1349088), (16822, 1245312), (17296, 1211184), (17664, 1185951), (18048, 1160718), (19136, 1094724), (19458, 1076608), (19552, 1071432), (20704, 1011816), (21528, 973088), (21996, 952384), (23292, 899392), (25233, 830208), (25944, 807456), (26496, 790634), (27072, 773812), (28106, 745344), (28704, 729816), (29328, 714288), (29762, 703872), (29952, 699407), (30409, 688896), (31056, 674544), (33644, 622656), (34592, 605592), (36096, 580359), (38272, 547362), (38916, 538304), (39104, 535716), (41408, 505908), (42159, 496896), (43056, 486544), (43992, 476192), (44643, 469248), (46584, 449696), (50466, 415104), (51888, 403728), (52992, 395317), (54144, 386906), (56212, 372672), (57408, 364908), (58656, 357144), (59524, 351936), (60818, 344448), (62112, 337272), (67288, 311328), (69184, 302796), (75699, 276736), (76544, 273681), (77832, 269152), (78208, 267858), (82816, 252954), (84318, 248448), (86112, 243272), (87984, 238096), (89286, 234624), (91227, 229632), (93168, 224848), (100932, 207552), (103776, 201864), (108288, 193453), (112424, 186336), (114816, 182454), (117312, 178572), (119048, 175968), (121636, 172224), (124224, 168636), (126477, 165632), (133929, 156416), (134576, 155664), (138368, 151398)]