20217843456

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:731

約数の個数: 288

約数和(自身を含む): 59761981440

約数和(自身を除く): 39544137984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 107, 114, 128, 138, 152, 184, 192, 214, 228, 256, 276, 304, 321, 368, 384, 428, 437, 456, 552, 563, 608, 642, 736, 768, 856, 874, 912, 1104, 1126, 1216, 1284, 1311, 1472, 1689, 1712, 1748, 1824, 2033, 2208, 2252, 2432, 2461, 2568, 2622, 2944, 3378, 3424, 3496, 3648, 4066, 4416, 4504, 4864, 4922, 5136, 5244, 5888, 6099, 6756, 6848, 6992, 7296, 7383, 8132, 8832, 9008, 9844, 10272, 10488, 10697, 12198, 12949, 13512, 13696, 13984, 14592, 14766, 16264, 17664, 18016, 19688, 20544, 20976, 21394, 24396, 25898, 27024, 27392, 27968, 29532, 32091, 32528, 36032, 38847, 39376, 41088, 41952, 42788, 46759, 48792, 51796, 54048, 55936, 59064, 60241, 64182, 65056, 72064, 77694, 78752, 82176, 83904, 85576, 93518, 97584, 103592, 108096, 111872, 118128, 120482, 128364, 130112, 140277, 144128, 155388, 157504, 167808, 171152, 180723, 187036, 195168, 207184, 216192, 236256, 240964, 246031, 256728, 260224, 280554, 310776, 315008, 335616, 342304, 361446, 374072, 390336, 414368, 432384, 472512, 481928, 492062, 513456, 520448, 561108, 621552, 630016, 684608, 722892, 738093, 748144, 780672, 828736, 945024, 963856, 984124, 1026912, 1122216, 1144579, 1243104, 1369216, 1385543, 1445784, 1476186, 1496288, 1561344, 1657472, 1890048, 1927712, 1968248, 2053824, 2244432, 2289158, 2486208, 2738432, 2771086, 2891568, 2952372, 2992576, 3314944, 3433737, 3855424, 3936496, 4107648, 4156629, 4488864, 4578316, 4972416, 5542172, 5783136, 5904744, 5985152, 6867474, 7710848, 7872992, 8215296, 8313258, 8977728, 9156632, 9944832, 11084344, 11566272, 11809488, 11970304, 13734948, 15421696, 15745984, 16626516, 17955456, 18313264, 22168688, 23132544, 23618976, 26325317, 27469896, 31491968, 33253032, 35910912, 36626528, 44337376, 46265088, 47237952, 52650634, 54939792, 62983936, 66506064, 73253056, 78975951, 88674752, 94475904, 105301268, 109879584, 133012128, 146506112, 157951902, 177349504, 188951808, 210602536, 219759168, 266024256, 293012224, 315903804, 354699008, 421205072, 439518336, 532048512, 631807608, 842410144, 879036672, 1064097024, 1263615216, 1684820288, 2527230432, 3369640576, 5054460864, 6739281152, 10108921728, 20217843456]

約数ペア:

[(1, 20217843456), (2, 10108921728), (3, 6739281152), (4, 5054460864), (6, 3369640576), (8, 2527230432), (12, 1684820288), (16, 1263615216), (19, 1064097024), (23, 879036672), (24, 842410144), (32, 631807608), (38, 532048512), (46, 439518336), (48, 421205072), (57, 354699008), (64, 315903804), (69, 293012224), (76, 266024256), (92, 219759168), (96, 210602536), (107, 188951808), (114, 177349504), (128, 157951902), (138, 146506112), (152, 133012128), (184, 109879584), (192, 105301268), (214, 94475904), (228, 88674752), (256, 78975951), (276, 73253056), (304, 66506064), (321, 62983936), (368, 54939792), (384, 52650634), (428, 47237952), (437, 46265088), (456, 44337376), (552, 36626528), (563, 35910912), (608, 33253032), (642, 31491968), (736, 27469896), (768, 26325317), (856, 23618976), (874, 23132544), (912, 22168688), (1104, 18313264), (1126, 17955456), (1216, 16626516), (1284, 15745984), (1311, 15421696), (1472, 13734948), (1689, 11970304), (1712, 11809488), (1748, 11566272), (1824, 11084344), (2033, 9944832), (2208, 9156632), (2252, 8977728), (2432, 8313258), (2461, 8215296), (2568, 7872992), (2622, 7710848), (2944, 6867474), (3378, 5985152), (3424, 5904744), (3496, 5783136), (3648, 5542172), (4066, 4972416), (4416, 4578316), (4504, 4488864), (4864, 4156629), (4922, 4107648), (5136, 3936496), (5244, 3855424), (5888, 3433737), (6099, 3314944), (6756, 2992576), (6848, 2952372), (6992, 2891568), (7296, 2771086), (7383, 2738432), (8132, 2486208), (8832, 2289158), (9008, 2244432), (9844, 2053824), (10272, 1968248), (10488, 1927712), (10697, 1890048), (12198, 1657472), (12949, 1561344), (13512, 1496288), (13696, 1476186), (13984, 1445784), (14592, 1385543), (14766, 1369216), (16264, 1243104), (17664, 1144579), (18016, 1122216), (19688, 1026912), (20544, 984124), (20976, 963856), (21394, 945024), (24396, 828736), (25898, 780672), (27024, 748144), (27392, 738093), (27968, 722892), (29532, 684608), (32091, 630016), (32528, 621552), (36032, 561108), (38847, 520448), (39376, 513456), (41088, 492062), (41952, 481928), (42788, 472512), (46759, 432384), (48792, 414368), (51796, 390336), (54048, 374072), (55936, 361446), (59064, 342304), (60241, 335616), (64182, 315008), (65056, 310776), (72064, 280554), (77694, 260224), (78752, 256728), (82176, 246031), (83904, 240964), (85576, 236256), (93518, 216192), (97584, 207184), (103592, 195168), (108096, 187036), (111872, 180723), (118128, 171152), (120482, 167808), (128364, 157504), (130112, 155388), (140277, 144128)]