20398908672

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 432

約数和(自身を含む): 64787768640

約数和(自身を除く): 44388859968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 37, 48, 54, 62, 64, 72, 74, 83, 93, 96, 108, 111, 124, 128, 144, 148, 166, 186, 192, 216, 222, 248, 249, 256, 279, 288, 296, 332, 333, 372, 384, 432, 444, 496, 498, 558, 576, 592, 664, 666, 744, 747, 768, 837, 864, 888, 961, 992, 996, 999, 1116, 1147, 1152, 1184, 1328, 1332, 1488, 1494, 1674, 1728, 1776, 1922, 1984, 1992, 1998, 2232, 2241, 2294, 2304, 2368, 2573, 2656, 2664, 2883, 2976, 2988, 3071, 3348, 3441, 3456, 3552, 3844, 3968, 3984, 3996, 4464, 4482, 4588, 4736, 5146, 5312, 5328, 5766, 5952, 5976, 6142, 6696, 6882, 6912, 7104, 7688, 7719, 7936, 7968, 7992, 8649, 8928, 8964, 9176, 9213, 9472, 10292, 10323, 10624, 10656, 11532, 11904, 11952, 12284, 13392, 13764, 14208, 15376, 15438, 15936, 15984, 17298, 17856, 17928, 18352, 18426, 20584, 20646, 21248, 21312, 23064, 23157, 23808, 23904, 24568, 25947, 26784, 27528, 27639, 28416, 30752, 30876, 30969, 31872, 31968, 34596, 35557, 35712, 35856, 36704, 36852, 41168, 41292, 42624, 46128, 46314, 47808, 49136, 51894, 53568, 55056, 55278, 61504, 61752, 61938, 63744, 63936, 69192, 69471, 71114, 71424, 71712, 73408, 73704, 79763, 82336, 82584, 82917, 85248, 92256, 92628, 95201, 95616, 98272, 103788, 106671, 107136, 110112, 110556, 123008, 123504, 123876, 127872, 138384, 138942, 142228, 143424, 146816, 147408, 159526, 164672, 165168, 165834, 184512, 185256, 190402, 191232, 196544, 207576, 213342, 214272, 220224, 221112, 239289, 246016, 247008, 247752, 255744, 276768, 277884, 284456, 285603, 286848, 293632, 294816, 319052, 320013, 329344, 330336, 331668, 369024, 370512, 380804, 393088, 415152, 426684, 440448, 442224, 478578, 494016, 495504, 553536, 555768, 568912, 571206, 573696, 589632, 638104, 640026, 658688, 660672, 663336, 717867, 738048, 741024, 761608, 786176, 830304, 853368, 856809, 880896, 884448, 957156, 960039, 988032, 991008, 1107072, 1111536, 1137824, 1142412, 1179264, 1276208, 1280052, 1321344, 1326672, 1435734, 1482048, 1523216, 1660608, 1706736, 1713618, 1768896, 1914312, 1920078, 1976064, 1982016, 2153601, 2214144, 2223072, 2275648, 2284824, 2358528, 2552416, 2560104, 2570427, 2642688, 2653344, 2871468, 2951231, 2964096, 3046432, 3321216, 3413472, 3427236, 3537792, 3828624, 3840156, 3964032, 4307202, 4446144, 4551296, 4569648, 5104832, 5120208, 5140854, 5306688, 5742936, 5902462, 5928192, 6092864, 6642432, 6826944, 6854472, 7075584, 7657248, 7680312, 7928064, 8614404, 8853693, 8892288, 9102592, 9139296, 10209664, 10240416, 10281708, 10613376, 11485872, 11804924, 12185728, 13653888, 13708944, 15314496, 15360624, 17228808, 17707386, 17784576, 18278592, 20419328, 20480832, 20563416, 21226752, 22971744, 23609848, 24371456, 26561079, 27307776, 27417888, 30628992, 30721248, 34457616, 35414772, 36557184, 40961664, 41126832, 45943488, 47219696, 53122158, 54835776, 61257984, 61442496, 68915232, 70829544, 73114368, 79683237, 81923328, 82253664, 91886976, 94439392, 106244316, 109671552, 122884992, 137830464, 141659088, 159366474, 164507328, 183773952, 188878784, 212488632, 219343104, 245769984, 275660928, 283318176, 318732948, 329014656, 377757568, 424977264, 551321856, 566636352, 637465896, 658029312, 755515136, 849954528, 1133272704, 1274931792, 1699909056, 2266545408, 2549863584, 3399818112, 5099727168, 6799636224, 10199454336, 20398908672]

約数ペア:

[(1, 20398908672), (2, 10199454336), (3, 6799636224), (4, 5099727168), (6, 3399818112), (8, 2549863584), (9, 2266545408), (12, 1699909056), (16, 1274931792), (18, 1133272704), (24, 849954528), (27, 755515136), (31, 658029312), (32, 637465896), (36, 566636352), (37, 551321856), (48, 424977264), (54, 377757568), (62, 329014656), (64, 318732948), (72, 283318176), (74, 275660928), (83, 245769984), (93, 219343104), (96, 212488632), (108, 188878784), (111, 183773952), (124, 164507328), (128, 159366474), (144, 141659088), (148, 137830464), (166, 122884992), (186, 109671552), (192, 106244316), (216, 94439392), (222, 91886976), (248, 82253664), (249, 81923328), (256, 79683237), (279, 73114368), (288, 70829544), (296, 68915232), (332, 61442496), (333, 61257984), (372, 54835776), (384, 53122158), (432, 47219696), (444, 45943488), (496, 41126832), (498, 40961664), (558, 36557184), (576, 35414772), (592, 34457616), (664, 30721248), (666, 30628992), (744, 27417888), (747, 27307776), (768, 26561079), (837, 24371456), (864, 23609848), (888, 22971744), (961, 21226752), (992, 20563416), (996, 20480832), (999, 20419328), (1116, 18278592), (1147, 17784576), (1152, 17707386), (1184, 17228808), (1328, 15360624), (1332, 15314496), (1488, 13708944), (1494, 13653888), (1674, 12185728), (1728, 11804924), (1776, 11485872), (1922, 10613376), (1984, 10281708), (1992, 10240416), (1998, 10209664), (2232, 9139296), (2241, 9102592), (2294, 8892288), (2304, 8853693), (2368, 8614404), (2573, 7928064), (2656, 7680312), (2664, 7657248), (2883, 7075584), (2976, 6854472), (2988, 6826944), (3071, 6642432), (3348, 6092864), (3441, 5928192), (3456, 5902462), (3552, 5742936), (3844, 5306688), (3968, 5140854), (3984, 5120208), (3996, 5104832), (4464, 4569648), (4482, 4551296), (4588, 4446144), (4736, 4307202), (5146, 3964032), (5312, 3840156), (5328, 3828624), (5766, 3537792), (5952, 3427236), (5976, 3413472), (6142, 3321216), (6696, 3046432), (6882, 2964096), (6912, 2951231), (7104, 2871468), (7688, 2653344), (7719, 2642688), (7936, 2570427), (7968, 2560104), (7992, 2552416), (8649, 2358528), (8928, 2284824), (8964, 2275648), (9176, 2223072), (9213, 2214144), (9472, 2153601), (10292, 1982016), (10323, 1976064), (10624, 1920078), (10656, 1914312), (11532, 1768896), (11904, 1713618), (11952, 1706736), (12284, 1660608), (13392, 1523216), (13764, 1482048), (14208, 1435734), (15376, 1326672), (15438, 1321344), (15936, 1280052), (15984, 1276208), (17298, 1179264), (17856, 1142412), (17928, 1137824), (18352, 1111536), (18426, 1107072), (20584, 991008), (20646, 988032), (21248, 960039), (21312, 957156), (23064, 884448), (23157, 880896), (23808, 856809), (23904, 853368), (24568, 830304), (25947, 786176), (26784, 761608), (27528, 741024), (27639, 738048), (28416, 717867), (30752, 663336), (30876, 660672), (30969, 658688), (31872, 640026), (31968, 638104), (34596, 589632), (35557, 573696), (35712, 571206), (35856, 568912), (36704, 555768), (36852, 553536), (41168, 495504), (41292, 494016), (42624, 478578), (46128, 442224), (46314, 440448), (47808, 426684), (49136, 415152), (51894, 393088), (53568, 380804), (55056, 370512), (55278, 369024), (61504, 331668), (61752, 330336), (61938, 329344), (63744, 320013), (63936, 319052), (69192, 294816), (69471, 293632), (71114, 286848), (71424, 285603), (71712, 284456), (73408, 277884), (73704, 276768), (79763, 255744), (82336, 247752), (82584, 247008), (82917, 246016), (85248, 239289), (92256, 221112), (92628, 220224), (95201, 214272), (95616, 213342), (98272, 207576), (103788, 196544), (106671, 191232), (107136, 190402), (110112, 185256), (110556, 184512), (123008, 165834), (123504, 165168), (123876, 164672), (127872, 159526), (138384, 147408), (138942, 146816), (142228, 143424)]