20112085760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 288

約数和(自身を含む): 54151544832

約数和(自身を除く): 34039459072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 127, 128, 130, 155, 160, 208, 248, 254, 256, 260, 307, 310, 320, 403, 416, 496, 508, 520, 614, 620, 635, 640, 806, 832, 992, 1016, 1040, 1228, 1240, 1270, 1280, 1535, 1612, 1651, 1664, 1984, 2015, 2032, 2080, 2456, 2480, 2540, 3070, 3224, 3302, 3328, 3937, 3968, 3991, 4030, 4064, 4160, 4912, 4960, 5080, 6140, 6448, 6604, 7874, 7936, 7982, 8060, 8128, 8255, 8320, 9517, 9824, 9920, 10160, 12280, 12896, 13208, 15748, 15964, 16120, 16256, 16510, 16640, 19034, 19648, 19685, 19840, 19955, 20320, 24560, 25792, 26416, 31496, 31928, 32240, 32512, 33020, 38068, 38989, 39296, 39370, 39680, 39910, 40640, 47585, 49120, 51181, 51584, 52832, 62992, 63856, 64480, 66040, 76136, 77978, 78592, 78740, 79820, 81280, 95170, 98240, 102362, 103168, 105664, 123721, 125984, 127712, 128960, 132080, 152272, 155956, 157480, 159640, 162560, 190340, 194945, 196480, 204724, 211328, 247442, 251968, 255424, 255905, 257920, 264160, 304544, 311912, 314960, 319280, 380680, 389890, 392960, 409448, 422656, 494884, 503936, 506857, 510848, 511810, 515840, 528320, 609088, 618605, 623824, 629920, 638560, 761360, 779780, 818896, 989768, 1007872, 1013714, 1021696, 1023620, 1056640, 1208659, 1218176, 1237210, 1247648, 1259840, 1277120, 1522720, 1559560, 1637792, 1979536, 2027428, 2047240, 2113280, 2417318, 2436352, 2474420, 2495296, 2519680, 2534285, 2554240, 3045440, 3119120, 3275584, 3959072, 4054856, 4094480, 4834636, 4948840, 4990592, 5039360, 5068570, 5108480, 6043295, 6090880, 6238240, 6551168, 7918144, 8109712, 8188960, 9669272, 9897680, 9981184, 10137140, 12086590, 12181760, 12476480, 13102336, 15712567, 15836288, 16219424, 16377920, 19338544, 19795360, 20274280, 24173180, 24952960, 31425134, 31672576, 32438848, 32755840, 38677088, 39590720, 40548560, 48346360, 49905920, 62850268, 64877696, 65511680, 77354176, 78562835, 79181440, 81097120, 96692720, 125700536, 129755392, 154708352, 157125670, 158362880, 162194240, 193385440, 251401072, 309416704, 314251340, 324388480, 386770880, 502802144, 628502680, 648776960, 773541760, 1005604288, 1257005360, 1547083520, 2011208576, 2514010720, 4022417152, 5028021440, 10056042880, 20112085760]

約数ペア:

[(1, 20112085760), (2, 10056042880), (4, 5028021440), (5, 4022417152), (8, 2514010720), (10, 2011208576), (13, 1547083520), (16, 1257005360), (20, 1005604288), (26, 773541760), (31, 648776960), (32, 628502680), (40, 502802144), (52, 386770880), (62, 324388480), (64, 314251340), (65, 309416704), (80, 251401072), (104, 193385440), (124, 162194240), (127, 158362880), (128, 157125670), (130, 154708352), (155, 129755392), (160, 125700536), (208, 96692720), (248, 81097120), (254, 79181440), (256, 78562835), (260, 77354176), (307, 65511680), (310, 64877696), (320, 62850268), (403, 49905920), (416, 48346360), (496, 40548560), (508, 39590720), (520, 38677088), (614, 32755840), (620, 32438848), (635, 31672576), (640, 31425134), (806, 24952960), (832, 24173180), (992, 20274280), (1016, 19795360), (1040, 19338544), (1228, 16377920), (1240, 16219424), (1270, 15836288), (1280, 15712567), (1535, 13102336), (1612, 12476480), (1651, 12181760), (1664, 12086590), (1984, 10137140), (2015, 9981184), (2032, 9897680), (2080, 9669272), (2456, 8188960), (2480, 8109712), (2540, 7918144), (3070, 6551168), (3224, 6238240), (3302, 6090880), (3328, 6043295), (3937, 5108480), (3968, 5068570), (3991, 5039360), (4030, 4990592), (4064, 4948840), (4160, 4834636), (4912, 4094480), (4960, 4054856), (5080, 3959072), (6140, 3275584), (6448, 3119120), (6604, 3045440), (7874, 2554240), (7936, 2534285), (7982, 2519680), (8060, 2495296), (8128, 2474420), (8255, 2436352), (8320, 2417318), (9517, 2113280), (9824, 2047240), (9920, 2027428), (10160, 1979536), (12280, 1637792), (12896, 1559560), (13208, 1522720), (15748, 1277120), (15964, 1259840), (16120, 1247648), (16256, 1237210), (16510, 1218176), (16640, 1208659), (19034, 1056640), (19648, 1023620), (19685, 1021696), (19840, 1013714), (19955, 1007872), (20320, 989768), (24560, 818896), (25792, 779780), (26416, 761360), (31496, 638560), (31928, 629920), (32240, 623824), (32512, 618605), (33020, 609088), (38068, 528320), (38989, 515840), (39296, 511810), (39370, 510848), (39680, 506857), (39910, 503936), (40640, 494884), (47585, 422656), (49120, 409448), (51181, 392960), (51584, 389890), (52832, 380680), (62992, 319280), (63856, 314960), (64480, 311912), (66040, 304544), (76136, 264160), (77978, 257920), (78592, 255905), (78740, 255424), (79820, 251968), (81280, 247442), (95170, 211328), (98240, 204724), (102362, 196480), (103168, 194945), (105664, 190340), (123721, 162560), (125984, 159640), (127712, 157480), (128960, 155956), (132080, 152272)]