20138673280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1119

約数の個数: 256

約数和(自身を含む): 55964805120

約数和(自身を除く): 35826131840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 191, 220, 272, 320, 340, 352, 374, 382, 440, 544, 640, 680, 704, 748, 764, 880, 881, 935, 955, 1088, 1360, 1408, 1496, 1528, 1760, 1762, 1870, 1910, 2101, 2176, 2720, 2992, 3056, 3247, 3520, 3524, 3740, 3820, 4202, 4405, 5440, 5984, 6112, 6494, 7040, 7048, 7480, 7640, 8404, 8810, 9691, 10505, 10880, 11968, 12224, 12988, 14096, 14960, 14977, 15280, 16235, 16808, 17620, 19382, 21010, 23936, 24448, 25976, 28192, 29920, 29954, 30560, 32470, 33616, 35240, 35717, 38764, 42020, 48455, 51952, 56384, 59840, 59908, 61120, 64940, 67232, 70480, 71434, 74885, 77528, 84040, 96910, 103904, 112768, 119680, 119816, 122240, 129880, 134464, 140960, 142868, 149770, 155056, 164747, 168080, 168271, 178585, 193820, 207808, 239632, 259760, 268928, 281920, 285736, 299540, 310112, 329494, 336160, 336542, 357170, 387640, 415616, 479264, 519520, 563840, 571472, 599080, 620224, 658988, 672320, 673084, 714340, 775280, 823735, 841355, 958528, 1039040, 1142944, 1198160, 1240448, 1317976, 1344640, 1346168, 1428680, 1550560, 1647470, 1682710, 1850981, 1917056, 2078080, 2285888, 2396320, 2635952, 2692336, 2857360, 2860607, 3101120, 3294940, 3365420, 3701962, 4571776, 4792640, 5271904, 5384672, 5714720, 5721214, 6202240, 6589880, 6730840, 7403924, 9254905, 9585280, 10543808, 10769344, 11429440, 11442428, 13179760, 13461680, 14303035, 14807848, 18509810, 21087616, 21538688, 22858880, 22884856, 26359520, 26923360, 28606070, 29615696, 31466677, 37019620, 45769712, 52719040, 53846720, 57212140, 59231392, 62933354, 74039240, 91539424, 105438080, 107693440, 114424280, 118462784, 125866708, 148078480, 157333385, 183078848, 228848560, 236925568, 251733416, 296156960, 314666770, 366157696, 457697120, 503466832, 592313920, 629333540, 915394240, 1006933664, 1184627840, 1258667080, 1830788480, 2013867328, 2517334160, 4027734656, 5034668320, 10069336640, 20138673280]

約数ペア:

[(1, 20138673280), (2, 10069336640), (4, 5034668320), (5, 4027734656), (8, 2517334160), (10, 2013867328), (11, 1830788480), (16, 1258667080), (17, 1184627840), (20, 1006933664), (22, 915394240), (32, 629333540), (34, 592313920), (40, 503466832), (44, 457697120), (55, 366157696), (64, 314666770), (68, 296156960), (80, 251733416), (85, 236925568), (88, 228848560), (110, 183078848), (128, 157333385), (136, 148078480), (160, 125866708), (170, 118462784), (176, 114424280), (187, 107693440), (191, 105438080), (220, 91539424), (272, 74039240), (320, 62933354), (340, 59231392), (352, 57212140), (374, 53846720), (382, 52719040), (440, 45769712), (544, 37019620), (640, 31466677), (680, 29615696), (704, 28606070), (748, 26923360), (764, 26359520), (880, 22884856), (881, 22858880), (935, 21538688), (955, 21087616), (1088, 18509810), (1360, 14807848), (1408, 14303035), (1496, 13461680), (1528, 13179760), (1760, 11442428), (1762, 11429440), (1870, 10769344), (1910, 10543808), (2101, 9585280), (2176, 9254905), (2720, 7403924), (2992, 6730840), (3056, 6589880), (3247, 6202240), (3520, 5721214), (3524, 5714720), (3740, 5384672), (3820, 5271904), (4202, 4792640), (4405, 4571776), (5440, 3701962), (5984, 3365420), (6112, 3294940), (6494, 3101120), (7040, 2860607), (7048, 2857360), (7480, 2692336), (7640, 2635952), (8404, 2396320), (8810, 2285888), (9691, 2078080), (10505, 1917056), (10880, 1850981), (11968, 1682710), (12224, 1647470), (12988, 1550560), (14096, 1428680), (14960, 1346168), (14977, 1344640), (15280, 1317976), (16235, 1240448), (16808, 1198160), (17620, 1142944), (19382, 1039040), (21010, 958528), (23936, 841355), (24448, 823735), (25976, 775280), (28192, 714340), (29920, 673084), (29954, 672320), (30560, 658988), (32470, 620224), (33616, 599080), (35240, 571472), (35717, 563840), (38764, 519520), (42020, 479264), (48455, 415616), (51952, 387640), (56384, 357170), (59840, 336542), (59908, 336160), (61120, 329494), (64940, 310112), (67232, 299540), (70480, 285736), (71434, 281920), (74885, 268928), (77528, 259760), (84040, 239632), (96910, 207808), (103904, 193820), (112768, 178585), (119680, 168271), (119816, 168080), (122240, 164747), (129880, 155056), (134464, 149770), (140960, 142868)]