20821109760

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41077}}^1$

素因数の和:41119

約数の個数: 264

約数和(自身を含む): 78705119376

約数和(自身を除く): 57884009616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1024, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3072, 3168, 3520, 3840, 3960, 4224, 4608, 5120, 5280, 5632, 5760, 6336, 7040, 7680, 7920, 8448, 9216, 10560, 11264, 11520, 12672, 14080, 15360, 15840, 16896, 21120, 23040, 25344, 28160, 31680, 33792, 41077, 42240, 46080, 50688, 56320, 63360, 82154, 84480, 101376, 123231, 126720, 164308, 168960, 205385, 246462, 253440, 328616, 369693, 410770, 451847, 492924, 506880, 616155, 657232, 739386, 821540, 903694, 985848, 1232310, 1314464, 1355541, 1478772, 1643080, 1807388, 1848465, 1971696, 2259235, 2464620, 2628928, 2711082, 2957544, 3286160, 3614776, 3696930, 3943392, 4066623, 4518470, 4929240, 5257856, 5422164, 5915088, 6572320, 6777705, 7229552, 7393860, 7886784, 8133246, 9036940, 9858480, 10515712, 10844328, 11830176, 13144640, 13555410, 14459104, 14787720, 15773568, 16266492, 18073880, 19716960, 20333115, 21031424, 21688656, 23660352, 26289280, 27110820, 28918208, 29575440, 31547136, 32532984, 36147760, 39433920, 40666230, 42062848, 43377312, 47320704, 52578560, 54221640, 57836416, 59150880, 63094272, 65065968, 72295520, 78867840, 81332460, 86754624, 94641408, 105157120, 108443280, 115672832, 118301760, 126188544, 130131936, 144591040, 157735680, 162664920, 173509248, 189282816, 210314240, 216886560, 231345664, 236603520, 260263872, 289182080, 315471360, 325329840, 347018496, 378565632, 433773120, 462691328, 473207040, 520527744, 578364160, 630942720, 650659680, 694036992, 867546240, 946414080, 1041055488, 1156728320, 1301319360, 1388073984, 1735092480, 1892828160, 2082110976, 2313456640, 2602638720, 3470184960, 4164221952, 5205277440, 6940369920, 10410554880, 20821109760]

約数ペア:

[(1, 20821109760), (2, 10410554880), (3, 6940369920), (4, 5205277440), (5, 4164221952), (6, 3470184960), (8, 2602638720), (9, 2313456640), (10, 2082110976), (11, 1892828160), (12, 1735092480), (15, 1388073984), (16, 1301319360), (18, 1156728320), (20, 1041055488), (22, 946414080), (24, 867546240), (30, 694036992), (32, 650659680), (33, 630942720), (36, 578364160), (40, 520527744), (44, 473207040), (45, 462691328), (48, 433773120), (55, 378565632), (60, 347018496), (64, 325329840), (66, 315471360), (72, 289182080), (80, 260263872), (88, 236603520), (90, 231345664), (96, 216886560), (99, 210314240), (110, 189282816), (120, 173509248), (128, 162664920), (132, 157735680), (144, 144591040), (160, 130131936), (165, 126188544), (176, 118301760), (180, 115672832), (192, 108443280), (198, 105157120), (220, 94641408), (240, 86754624), (256, 81332460), (264, 78867840), (288, 72295520), (320, 65065968), (330, 63094272), (352, 59150880), (360, 57836416), (384, 54221640), (396, 52578560), (440, 47320704), (480, 43377312), (495, 42062848), (512, 40666230), (528, 39433920), (576, 36147760), (640, 32532984), (660, 31547136), (704, 29575440), (720, 28918208), (768, 27110820), (792, 26289280), (880, 23660352), (960, 21688656), (990, 21031424), (1024, 20333115), (1056, 19716960), (1152, 18073880), (1280, 16266492), (1320, 15773568), (1408, 14787720), (1440, 14459104), (1536, 13555410), (1584, 13144640), (1760, 11830176), (1920, 10844328), (1980, 10515712), (2112, 9858480), (2304, 9036940), (2560, 8133246), (2640, 7886784), (2816, 7393860), (2880, 7229552), (3072, 6777705), (3168, 6572320), (3520, 5915088), (3840, 5422164), (3960, 5257856), (4224, 4929240), (4608, 4518470), (5120, 4066623), (5280, 3943392), (5632, 3696930), (5760, 3614776), (6336, 3286160), (7040, 2957544), (7680, 2711082), (7920, 2628928), (8448, 2464620), (9216, 2259235), (10560, 1971696), (11264, 1848465), (11520, 1807388), (12672, 1643080), (14080, 1478772), (15360, 1355541), (15840, 1314464), (16896, 1232310), (21120, 985848), (23040, 903694), (25344, 821540), (28160, 739386), (31680, 657232), (33792, 616155), (41077, 506880), (42240, 492924), (46080, 451847), (50688, 410770), (56320, 369693), (63360, 328616), (82154, 253440), (84480, 246462), (101376, 205385), (123231, 168960), (126720, 164308)]