20512072260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:517

約数の個数: 288

約数和(自身を含む): 65750630400

約数和(自身を除く): 45238558140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 167, 180, 199, 243, 254, 270, 324, 334, 381, 398, 405, 486, 501, 508, 540, 597, 635, 668, 762, 796, 810, 835, 972, 995, 1002, 1143, 1194, 1215, 1270, 1503, 1524, 1620, 1670, 1791, 1905, 1990, 2004, 2286, 2388, 2430, 2505, 2540, 2985, 3006, 3340, 3429, 3582, 3810, 3980, 4509, 4572, 4860, 5010, 5373, 5715, 5970, 6012, 6858, 7164, 7515, 7620, 8955, 9018, 10020, 10287, 10746, 11430, 11940, 13527, 13716, 15030, 16119, 17145, 17910, 18036, 20574, 21209, 21492, 22545, 22860, 25273, 26865, 27054, 30060, 30861, 32238, 33233, 34290, 35820, 40581, 41148, 42418, 45090, 48357, 50546, 51435, 53730, 54108, 61722, 63627, 64476, 66466, 67635, 68580, 75819, 80595, 81162, 84836, 90180, 96714, 99699, 101092, 102870, 106045, 107460, 123444, 126365, 127254, 132932, 135270, 151638, 154305, 161190, 162324, 166165, 190881, 193428, 199398, 202905, 205740, 212090, 227457, 241785, 252730, 254508, 270540, 299097, 303276, 308610, 318135, 322380, 332330, 379095, 381762, 398796, 405810, 424180, 454914, 483570, 498495, 505460, 572643, 598194, 617220, 636270, 664660, 682371, 758190, 763524, 811620, 897291, 909828, 954405, 967140, 996990, 1137285, 1145286, 1196388, 1272540, 1364742, 1495485, 1516380, 1717929, 1794582, 1908810, 1993980, 2047113, 2274570, 2290572, 2691873, 2729484, 2863215, 2990970, 3411855, 3435858, 3589164, 3817620, 4094226, 4220591, 4486455, 4549140, 5153787, 5383746, 5726430, 5981940, 6141339, 6823710, 6871716, 8075619, 8188452, 8441182, 8589645, 8972910, 10235565, 10307574, 10767492, 11452860, 12282678, 12661773, 13459365, 13647420, 16151238, 16882364, 17179290, 17945820, 20471130, 20615148, 21102955, 24565356, 25323546, 25768935, 26918730, 30706695, 32302476, 34358580, 37985319, 40378095, 40942260, 42205910, 50647092, 51537870, 53837460, 61413390, 63308865, 75970638, 80756190, 84411820, 103075740, 113955957, 122826780, 126617730, 151941276, 161512380, 189926595, 227911914, 253235460, 341867871, 379853190, 455823828, 569779785, 683735742, 759706380, 1025603613, 1139559570, 1367471484, 1709339355, 2051207226, 2279119140, 3418678710, 4102414452, 5128018065, 6837357420, 10256036130, 20512072260]

約数ペア:

[(1, 20512072260), (2, 10256036130), (3, 6837357420), (4, 5128018065), (5, 4102414452), (6, 3418678710), (9, 2279119140), (10, 2051207226), (12, 1709339355), (15, 1367471484), (18, 1139559570), (20, 1025603613), (27, 759706380), (30, 683735742), (36, 569779785), (45, 455823828), (54, 379853190), (60, 341867871), (81, 253235460), (90, 227911914), (108, 189926595), (127, 161512380), (135, 151941276), (162, 126617730), (167, 122826780), (180, 113955957), (199, 103075740), (243, 84411820), (254, 80756190), (270, 75970638), (324, 63308865), (334, 61413390), (381, 53837460), (398, 51537870), (405, 50647092), (486, 42205910), (501, 40942260), (508, 40378095), (540, 37985319), (597, 34358580), (635, 32302476), (668, 30706695), (762, 26918730), (796, 25768935), (810, 25323546), (835, 24565356), (972, 21102955), (995, 20615148), (1002, 20471130), (1143, 17945820), (1194, 17179290), (1215, 16882364), (1270, 16151238), (1503, 13647420), (1524, 13459365), (1620, 12661773), (1670, 12282678), (1791, 11452860), (1905, 10767492), (1990, 10307574), (2004, 10235565), (2286, 8972910), (2388, 8589645), (2430, 8441182), (2505, 8188452), (2540, 8075619), (2985, 6871716), (3006, 6823710), (3340, 6141339), (3429, 5981940), (3582, 5726430), (3810, 5383746), (3980, 5153787), (4509, 4549140), (4572, 4486455), (4860, 4220591), (5010, 4094226), (5373, 3817620), (5715, 3589164), (5970, 3435858), (6012, 3411855), (6858, 2990970), (7164, 2863215), (7515, 2729484), (7620, 2691873), (8955, 2290572), (9018, 2274570), (10020, 2047113), (10287, 1993980), (10746, 1908810), (11430, 1794582), (11940, 1717929), (13527, 1516380), (13716, 1495485), (15030, 1364742), (16119, 1272540), (17145, 1196388), (17910, 1145286), (18036, 1137285), (20574, 996990), (21209, 967140), (21492, 954405), (22545, 909828), (22860, 897291), (25273, 811620), (26865, 763524), (27054, 758190), (30060, 682371), (30861, 664660), (32238, 636270), (33233, 617220), (34290, 598194), (35820, 572643), (40581, 505460), (41148, 498495), (42418, 483570), (45090, 454914), (48357, 424180), (50546, 405810), (51435, 398796), (53730, 381762), (54108, 379095), (61722, 332330), (63627, 322380), (64476, 318135), (66466, 308610), (67635, 303276), (68580, 299097), (75819, 270540), (80595, 254508), (81162, 252730), (84836, 241785), (90180, 227457), (96714, 212090), (99699, 205740), (101092, 202905), (102870, 199398), (106045, 193428), (107460, 190881), (123444, 166165), (126365, 162324), (127254, 161190), (132932, 154305), (135270, 151638)]