20778028544

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 320

約数和(自身を含む): 53415331200

約数和(自身を除く): 32637302656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 52, 56, 64, 73, 82, 91, 104, 112, 128, 146, 149, 164, 182, 208, 224, 256, 287, 292, 298, 328, 364, 416, 448, 511, 512, 533, 574, 584, 596, 656, 728, 832, 896, 949, 1022, 1043, 1066, 1148, 1168, 1192, 1312, 1456, 1664, 1792, 1898, 1937, 2044, 2086, 2132, 2296, 2336, 2384, 2624, 2912, 2993, 3328, 3584, 3731, 3796, 3874, 4088, 4172, 4264, 4592, 4672, 4768, 5248, 5824, 5986, 6109, 6643, 6656, 7462, 7592, 7748, 8176, 8344, 8528, 9184, 9344, 9536, 10496, 10877, 11648, 11972, 12218, 13286, 13559, 14924, 15184, 15496, 16352, 16688, 17056, 18368, 18688, 19072, 20951, 20992, 21754, 23296, 23944, 24436, 26572, 27118, 29848, 30368, 30992, 32704, 33376, 34112, 36736, 37376, 38144, 38909, 41902, 42763, 43508, 46592, 47888, 48872, 53144, 54236, 59696, 60736, 61984, 65408, 66752, 68224, 73472, 76139, 76288, 77818, 79417, 83804, 85526, 87016, 95776, 97744, 106288, 108472, 119392, 121472, 123968, 130816, 133504, 136448, 141401, 146944, 152278, 155636, 158834, 167608, 171052, 174032, 191552, 195488, 212576, 216944, 238784, 242944, 247936, 261632, 267008, 272363, 272896, 282802, 304556, 311272, 317668, 335216, 342104, 348064, 383104, 390976, 425152, 433888, 445957, 477568, 485888, 495872, 534016, 544726, 555919, 565604, 609112, 622544, 635336, 670432, 684208, 696128, 766208, 781952, 850304, 867776, 891914, 955136, 989807, 991744, 1089452, 1111838, 1131208, 1218224, 1245088, 1270672, 1340864, 1368416, 1392256, 1532416, 1563904, 1700608, 1735552, 1783828, 1910272, 1979614, 2178904, 2223676, 2262416, 2436448, 2490176, 2541344, 2681728, 2736832, 2784512, 3121699, 3127808, 3401216, 3471104, 3567656, 3959228, 4357808, 4447352, 4524832, 4872896, 4980352, 5082688, 5363456, 5473664, 5569024, 5797441, 6243398, 6942208, 7135312, 7918456, 8715616, 8894704, 9049664, 9745792, 9960704, 10165376, 10726912, 10947328, 11594882, 12486796, 14270624, 15836912, 17431232, 17789408, 18099328, 19491584, 19921408, 20330752, 21894656, 23189764, 24973592, 28541248, 31673824, 34862464, 35578816, 36198656, 38983168, 40582087, 40661504, 46379528, 49947184, 57082496, 63347648, 69724928, 71157632, 72397312, 81164174, 92759056, 99894368, 114164992, 126695296, 139449856, 142315264, 162328348, 185518112, 199788736, 228329984, 253390592, 284630528, 324656696, 371036224, 399577472, 506781184, 649313392, 742072448, 799154944, 1298626784, 1484144896, 1598309888, 2597253568, 2968289792, 5194507136, 10389014272, 20778028544]

約数ペア:

[(1, 20778028544), (2, 10389014272), (4, 5194507136), (7, 2968289792), (8, 2597253568), (13, 1598309888), (14, 1484144896), (16, 1298626784), (26, 799154944), (28, 742072448), (32, 649313392), (41, 506781184), (52, 399577472), (56, 371036224), (64, 324656696), (73, 284630528), (82, 253390592), (91, 228329984), (104, 199788736), (112, 185518112), (128, 162328348), (146, 142315264), (149, 139449856), (164, 126695296), (182, 114164992), (208, 99894368), (224, 92759056), (256, 81164174), (287, 72397312), (292, 71157632), (298, 69724928), (328, 63347648), (364, 57082496), (416, 49947184), (448, 46379528), (511, 40661504), (512, 40582087), (533, 38983168), (574, 36198656), (584, 35578816), (596, 34862464), (656, 31673824), (728, 28541248), (832, 24973592), (896, 23189764), (949, 21894656), (1022, 20330752), (1043, 19921408), (1066, 19491584), (1148, 18099328), (1168, 17789408), (1192, 17431232), (1312, 15836912), (1456, 14270624), (1664, 12486796), (1792, 11594882), (1898, 10947328), (1937, 10726912), (2044, 10165376), (2086, 9960704), (2132, 9745792), (2296, 9049664), (2336, 8894704), (2384, 8715616), (2624, 7918456), (2912, 7135312), (2993, 6942208), (3328, 6243398), (3584, 5797441), (3731, 5569024), (3796, 5473664), (3874, 5363456), (4088, 5082688), (4172, 4980352), (4264, 4872896), (4592, 4524832), (4672, 4447352), (4768, 4357808), (5248, 3959228), (5824, 3567656), (5986, 3471104), (6109, 3401216), (6643, 3127808), (6656, 3121699), (7462, 2784512), (7592, 2736832), (7748, 2681728), (8176, 2541344), (8344, 2490176), (8528, 2436448), (9184, 2262416), (9344, 2223676), (9536, 2178904), (10496, 1979614), (10877, 1910272), (11648, 1783828), (11972, 1735552), (12218, 1700608), (13286, 1563904), (13559, 1532416), (14924, 1392256), (15184, 1368416), (15496, 1340864), (16352, 1270672), (16688, 1245088), (17056, 1218224), (18368, 1131208), (18688, 1111838), (19072, 1089452), (20951, 991744), (20992, 989807), (21754, 955136), (23296, 891914), (23944, 867776), (24436, 850304), (26572, 781952), (27118, 766208), (29848, 696128), (30368, 684208), (30992, 670432), (32704, 635336), (33376, 622544), (34112, 609112), (36736, 565604), (37376, 555919), (38144, 544726), (38909, 534016), (41902, 495872), (42763, 485888), (43508, 477568), (46592, 445957), (47888, 433888), (48872, 425152), (53144, 390976), (54236, 383104), (59696, 348064), (60736, 342104), (61984, 335216), (65408, 317668), (66752, 311272), (68224, 304556), (73472, 282802), (76139, 272896), (76288, 272363), (77818, 267008), (79417, 261632), (83804, 247936), (85526, 242944), (87016, 238784), (95776, 216944), (97744, 212576), (106288, 195488), (108472, 191552), (119392, 174032), (121472, 171052), (123968, 167608), (130816, 158834), (133504, 155636), (136448, 152278), (141401, 146944)]