20834851840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:563

約数の個数: 352

約数和(自身を含む): 59085656064

約数和(自身を除く): 38250804224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 47, 55, 64, 68, 80, 85, 88, 94, 110, 128, 136, 160, 170, 176, 187, 188, 220, 235, 256, 272, 320, 340, 352, 374, 376, 440, 463, 470, 512, 517, 544, 640, 680, 704, 748, 752, 799, 880, 926, 935, 940, 1024, 1034, 1088, 1280, 1360, 1408, 1496, 1504, 1598, 1760, 1852, 1870, 1880, 2068, 2176, 2315, 2560, 2585, 2720, 2816, 2992, 3008, 3196, 3520, 3704, 3740, 3760, 3995, 4136, 4352, 4630, 5093, 5120, 5170, 5440, 5632, 5984, 6016, 6392, 7040, 7408, 7480, 7520, 7871, 7990, 8272, 8704, 8789, 9260, 10186, 10340, 10880, 11264, 11968, 12032, 12784, 14080, 14816, 14960, 15040, 15742, 15980, 16544, 17408, 17578, 18520, 20372, 20680, 21760, 21761, 23936, 24064, 25465, 25568, 28160, 29632, 29920, 30080, 31484, 31960, 33088, 35156, 37040, 39355, 40744, 41360, 43520, 43522, 43945, 47872, 48128, 50930, 51136, 56320, 59264, 59840, 60160, 62968, 63920, 66176, 70312, 74080, 78710, 81488, 82720, 86581, 87040, 87044, 87890, 95744, 101860, 102272, 108805, 118528, 119680, 120320, 125936, 127840, 132352, 140624, 148160, 157420, 162976, 165440, 173162, 174088, 175780, 191488, 203720, 204544, 217610, 237056, 239360, 239371, 240640, 251872, 255680, 264704, 281248, 296320, 314840, 325952, 330880, 346324, 348176, 351560, 369937, 407440, 409088, 432905, 435220, 474112, 478720, 478742, 503744, 511360, 529408, 562496, 592640, 629680, 651904, 661760, 692648, 696352, 703120, 739874, 814880, 818176, 865810, 870440, 957440, 957484, 1007488, 1022720, 1124992, 1185280, 1196855, 1259360, 1303808, 1323520, 1385296, 1392704, 1406240, 1479748, 1629760, 1731620, 1740880, 1849685, 1914968, 2014976, 2045440, 2249984, 2370560, 2393710, 2518720, 2607616, 2647040, 2770592, 2785408, 2812480, 2959496, 3259520, 3463240, 3481760, 3699370, 3829936, 4029952, 4069307, 4090880, 4499968, 4787420, 5037440, 5215232, 5541184, 5570816, 5624960, 5918992, 6519040, 6926480, 6963520, 7398740, 7659872, 8059904, 8138614, 8999936, 9574840, 10074880, 11082368, 11141632, 11249920, 11837984, 13038080, 13852960, 13927040, 14797480, 15319744, 16277228, 19149680, 20149760, 20346535, 22164736, 22283264, 22499840, 23675968, 26076160, 27705920, 27854080, 29594960, 30639488, 32554456, 38299360, 40299520, 40693070, 44329472, 44999680, 47351936, 55411840, 55708160, 59189920, 61278976, 65108912, 76598720, 81386140, 88658944, 94703872, 110823680, 111416320, 118379840, 122557952, 130217824, 153197440, 162772280, 189407744, 221647360, 236759680, 245115904, 260435648, 306394880, 325544560, 378815488, 443294720, 473519360, 520871296, 612789760, 651089120, 947038720, 1041742592, 1225579520, 1302178240, 1894077440, 2083485184, 2604356480, 4166970368, 5208712960, 10417425920, 20834851840]

約数ペア:

[(1, 20834851840), (2, 10417425920), (4, 5208712960), (5, 4166970368), (8, 2604356480), (10, 2083485184), (11, 1894077440), (16, 1302178240), (17, 1225579520), (20, 1041742592), (22, 947038720), (32, 651089120), (34, 612789760), (40, 520871296), (44, 473519360), (47, 443294720), (55, 378815488), (64, 325544560), (68, 306394880), (80, 260435648), (85, 245115904), (88, 236759680), (94, 221647360), (110, 189407744), (128, 162772280), (136, 153197440), (160, 130217824), (170, 122557952), (176, 118379840), (187, 111416320), (188, 110823680), (220, 94703872), (235, 88658944), (256, 81386140), (272, 76598720), (320, 65108912), (340, 61278976), (352, 59189920), (374, 55708160), (376, 55411840), (440, 47351936), (463, 44999680), (470, 44329472), (512, 40693070), (517, 40299520), (544, 38299360), (640, 32554456), (680, 30639488), (704, 29594960), (748, 27854080), (752, 27705920), (799, 26076160), (880, 23675968), (926, 22499840), (935, 22283264), (940, 22164736), (1024, 20346535), (1034, 20149760), (1088, 19149680), (1280, 16277228), (1360, 15319744), (1408, 14797480), (1496, 13927040), (1504, 13852960), (1598, 13038080), (1760, 11837984), (1852, 11249920), (1870, 11141632), (1880, 11082368), (2068, 10074880), (2176, 9574840), (2315, 8999936), (2560, 8138614), (2585, 8059904), (2720, 7659872), (2816, 7398740), (2992, 6963520), (3008, 6926480), (3196, 6519040), (3520, 5918992), (3704, 5624960), (3740, 5570816), (3760, 5541184), (3995, 5215232), (4136, 5037440), (4352, 4787420), (4630, 4499968), (5093, 4090880), (5120, 4069307), (5170, 4029952), (5440, 3829936), (5632, 3699370), (5984, 3481760), (6016, 3463240), (6392, 3259520), (7040, 2959496), (7408, 2812480), (7480, 2785408), (7520, 2770592), (7871, 2647040), (7990, 2607616), (8272, 2518720), (8704, 2393710), (8789, 2370560), (9260, 2249984), (10186, 2045440), (10340, 2014976), (10880, 1914968), (11264, 1849685), (11968, 1740880), (12032, 1731620), (12784, 1629760), (14080, 1479748), (14816, 1406240), (14960, 1392704), (15040, 1385296), (15742, 1323520), (15980, 1303808), (16544, 1259360), (17408, 1196855), (17578, 1185280), (18520, 1124992), (20372, 1022720), (20680, 1007488), (21760, 957484), (21761, 957440), (23936, 870440), (24064, 865810), (25465, 818176), (25568, 814880), (28160, 739874), (29632, 703120), (29920, 696352), (30080, 692648), (31484, 661760), (31960, 651904), (33088, 629680), (35156, 592640), (37040, 562496), (39355, 529408), (40744, 511360), (41360, 503744), (43520, 478742), (43522, 478720), (43945, 474112), (47872, 435220), (48128, 432905), (50930, 409088), (51136, 407440), (56320, 369937), (59264, 351560), (59840, 348176), (60160, 346324), (62968, 330880), (63920, 325952), (66176, 314840), (70312, 296320), (74080, 281248), (78710, 264704), (81488, 255680), (82720, 251872), (86581, 240640), (87040, 239371), (87044, 239360), (87890, 237056), (95744, 217610), (101860, 204544), (102272, 203720), (108805, 191488), (118528, 175780), (119680, 174088), (120320, 173162), (125936, 165440), (127840, 162976), (132352, 157420), (140624, 148160)]