20804938560

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{343997}}^1$

素因数の和:344030

約数の個数: 224

約数和(自身を含む): 83880472320

約数和(自身を除く): 63075533760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 343997, 687994, 1031991, 1375988, 1719985, 2063982, 2407979, 2751976, 3095973, 3439970, 4127964, 4815958, 5159955, 5503952, 6191946, 6879940, 7223937, 8255928, 9287919, 9631916, 10319910, 11007904, 12039895, 12383892, 13759880, 14447874, 15479865, 16511856, 18575838, 19263832, 20639820, 21671811, 22015808, 24079790, 24767784, 27519760, 28895748, 30959730, 33023712, 36119685, 37151676, 38527664, 41279640, 43343622, 46439595, 48159580, 49535568, 55039520, 57791496, 61919460, 65015433, 66047424, 72239370, 74303352, 77055328, 82559280, 86687244, 92879190, 96319160, 99071136, 108359055, 110079040, 115582992, 123838920, 130030866, 144478740, 148606704, 154110656, 165118560, 173374488, 185758380, 192638320, 198142272, 216718110, 231165984, 247677840, 260061732, 288957480, 297213408, 325077165, 330237120, 346748976, 371516760, 385276640, 433436220, 462331968, 495355680, 520123464, 577914960, 594426816, 650154330, 693497952, 743033520, 770553280, 866872440, 990711360, 1040246928, 1155829920, 1300308660, 1386995904, 1486067040, 1733744880, 2080493856, 2311659840, 2600617320, 2972134080, 3467489760, 4160987712, 5201234640, 6934979520, 10402469280, 20804938560]

約数ペア:

[(1, 20804938560), (2, 10402469280), (3, 6934979520), (4, 5201234640), (5, 4160987712), (6, 3467489760), (7, 2972134080), (8, 2600617320), (9, 2311659840), (10, 2080493856), (12, 1733744880), (14, 1486067040), (15, 1386995904), (16, 1300308660), (18, 1155829920), (20, 1040246928), (21, 990711360), (24, 866872440), (27, 770553280), (28, 743033520), (30, 693497952), (32, 650154330), (35, 594426816), (36, 577914960), (40, 520123464), (42, 495355680), (45, 462331968), (48, 433436220), (54, 385276640), (56, 371516760), (60, 346748976), (63, 330237120), (64, 325077165), (70, 297213408), (72, 288957480), (80, 260061732), (84, 247677840), (90, 231165984), (96, 216718110), (105, 198142272), (108, 192638320), (112, 185758380), (120, 173374488), (126, 165118560), (135, 154110656), (140, 148606704), (144, 144478740), (160, 130030866), (168, 123838920), (180, 115582992), (189, 110079040), (192, 108359055), (210, 99071136), (216, 96319160), (224, 92879190), (240, 86687244), (252, 82559280), (270, 77055328), (280, 74303352), (288, 72239370), (315, 66047424), (320, 65015433), (336, 61919460), (360, 57791496), (378, 55039520), (420, 49535568), (432, 48159580), (448, 46439595), (480, 43343622), (504, 41279640), (540, 38527664), (560, 37151676), (576, 36119685), (630, 33023712), (672, 30959730), (720, 28895748), (756, 27519760), (840, 24767784), (864, 24079790), (945, 22015808), (960, 21671811), (1008, 20639820), (1080, 19263832), (1120, 18575838), (1260, 16511856), (1344, 15479865), (1440, 14447874), (1512, 13759880), (1680, 12383892), (1728, 12039895), (1890, 11007904), (2016, 10319910), (2160, 9631916), (2240, 9287919), (2520, 8255928), (2880, 7223937), (3024, 6879940), (3360, 6191946), (3780, 5503952), (4032, 5159955), (4320, 4815958), (5040, 4127964), (6048, 3439970), (6720, 3095973), (7560, 2751976), (8640, 2407979), (10080, 2063982), (12096, 1719985), (15120, 1375988), (20160, 1031991), (30240, 687994), (60480, 343997)]