20197513986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 49746493440

約数和(自身を除く): 29548979454

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 79, 83, 101, 102, 138, 158, 166, 202, 221, 237, 249, 299, 303, 391, 442, 474, 498, 598, 606, 663, 782, 897, 1027, 1079, 1173, 1313, 1326, 1343, 1411, 1717, 1794, 1817, 1909, 2054, 2158, 2323, 2346, 2626, 2686, 2822, 3081, 3237, 3434, 3634, 3818, 3939, 4029, 4233, 4646, 5083, 5151, 5451, 5727, 6162, 6474, 6557, 6969, 7878, 7979, 8058, 8383, 8466, 10166, 10302, 10902, 11454, 13114, 13938, 15249, 15958, 16766, 17459, 18343, 19671, 22321, 23621, 23937, 24817, 25149, 30199, 30498, 30889, 32453, 34918, 36686, 39342, 39491, 44642, 47242, 47874, 49634, 50298, 52377, 55029, 60398, 61778, 64906, 66963, 70863, 74451, 78982, 85241, 90597, 92667, 97359, 103727, 104754, 108979, 110058, 111469, 118473, 133926, 135643, 141726, 142511, 148902, 150811, 170482, 181194, 183517, 185334, 192809, 194718, 207454, 217958, 222938, 236946, 255723, 271286, 285022, 301622, 311181, 326937, 334407, 367034, 385618, 401557, 406929, 421889, 427533, 452433, 511446, 513383, 550551, 578427, 622362, 653874, 662257, 668814, 803114, 813858, 843778, 855066, 904866, 1026766, 1101102, 1156854, 1204671, 1265667, 1324514, 1449097, 1540149, 1763359, 1852643, 1960543, 1986771, 2385721, 2409342, 2506517, 2531334, 2563787, 2898194, 3080298, 3119789, 3277753, 3526718, 3705286, 3921086, 3973542, 4347291, 4771442, 5013034, 5127574, 5290077, 5557929, 5881629, 6239578, 6555506, 7157163, 7519551, 7691361, 8609341, 8694582, 9359367, 9833259, 10580154, 11115858, 11258369, 11763258, 14314326, 15039102, 15231911, 15382722, 17218682, 18718734, 19666518, 22516738, 25828023, 30463822, 33329231, 33775107, 40557257, 42610789, 45695733, 51656046, 66658462, 67550214, 81114514, 85221578, 91391466, 99987693, 121671771, 127832367, 146358797, 198014843, 199975386, 243343542, 255664734, 258942487, 292717594, 396029686, 439076391, 517884974, 594044529, 776827461, 878152782, 1188089058, 1553654922, 3366252331, 6732504662, 10098756993, 20197513986]

約数ペア:

[(1, 20197513986), (2, 10098756993), (3, 6732504662), (6, 3366252331), (13, 1553654922), (17, 1188089058), (23, 878152782), (26, 776827461), (34, 594044529), (39, 517884974), (46, 439076391), (51, 396029686), (69, 292717594), (78, 258942487), (79, 255664734), (83, 243343542), (101, 199975386), (102, 198014843), (138, 146358797), (158, 127832367), (166, 121671771), (202, 99987693), (221, 91391466), (237, 85221578), (249, 81114514), (299, 67550214), (303, 66658462), (391, 51656046), (442, 45695733), (474, 42610789), (498, 40557257), (598, 33775107), (606, 33329231), (663, 30463822), (782, 25828023), (897, 22516738), (1027, 19666518), (1079, 18718734), (1173, 17218682), (1313, 15382722), (1326, 15231911), (1343, 15039102), (1411, 14314326), (1717, 11763258), (1794, 11258369), (1817, 11115858), (1909, 10580154), (2054, 9833259), (2158, 9359367), (2323, 8694582), (2346, 8609341), (2626, 7691361), (2686, 7519551), (2822, 7157163), (3081, 6555506), (3237, 6239578), (3434, 5881629), (3634, 5557929), (3818, 5290077), (3939, 5127574), (4029, 5013034), (4233, 4771442), (4646, 4347291), (5083, 3973542), (5151, 3921086), (5451, 3705286), (5727, 3526718), (6162, 3277753), (6474, 3119789), (6557, 3080298), (6969, 2898194), (7878, 2563787), (7979, 2531334), (8058, 2506517), (8383, 2409342), (8466, 2385721), (10166, 1986771), (10302, 1960543), (10902, 1852643), (11454, 1763359), (13114, 1540149), (13938, 1449097), (15249, 1324514), (15958, 1265667), (16766, 1204671), (17459, 1156854), (18343, 1101102), (19671, 1026766), (22321, 904866), (23621, 855066), (23937, 843778), (24817, 813858), (25149, 803114), (30199, 668814), (30498, 662257), (30889, 653874), (32453, 622362), (34918, 578427), (36686, 550551), (39342, 513383), (39491, 511446), (44642, 452433), (47242, 427533), (47874, 421889), (49634, 406929), (50298, 401557), (52377, 385618), (55029, 367034), (60398, 334407), (61778, 326937), (64906, 311181), (66963, 301622), (70863, 285022), (74451, 271286), (78982, 255723), (85241, 236946), (90597, 222938), (92667, 217958), (97359, 207454), (103727, 194718), (104754, 192809), (108979, 185334), (110058, 183517), (111469, 181194), (118473, 170482), (133926, 150811), (135643, 148902), (141726, 142511)]