20321219520

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{335999}}^1$

素因数の和:336032

約数の個数: 224

約数和(自身を含む): 81930240000

約数和(自身を除く): 61609020480

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, 335999, 671998, 1007997, 1343996, 1679995, 2015994, 2351993, 2687992, 3023991, 3359990, 4031988, 4703986, 5039985, 5375984, 6047982, 6719980, 7055979, 8063976, 9071973, 9407972, 10079970, 10751968, 11759965, 12095964, 13439960, 14111958, 15119955, 16127952, 18143946, 18815944, 20159940, 21167937, 21503936, 23519930, 24191928, 26879920, 28223916, 30239910, 32255904, 35279895, 36287892, 37631888, 40319880, 42335874, 45359865, 47039860, 48383856, 53759840, 56447832, 60479820, 63503811, 64511808, 70559790, 72575784, 75263776, 80639760, 84671748, 90719730, 94079720, 96767712, 105839685, 107519680, 112895664, 120959640, 127007622, 141119580, 145151568, 150527552, 161279520, 169343496, 181439460, 188159440, 193535424, 211679370, 225791328, 241919280, 254015244, 282239160, 290303136, 317519055, 322559040, 338686992, 362878920, 376318880, 423358740, 451582656, 483838560, 508030488, 564478320, 580606272, 635038110, 677373984, 725757840, 752637760, 846717480, 967677120, 1016060976, 1128956640, 1270076220, 1354747968, 1451515680, 1693434960, 2032121952, 2257913280, 2540152440, 2903031360, 3386869920, 4064243904, 5080304880, 6773739840, 10160609760, 20321219520]

約数ペア:

[(1, 20321219520), (2, 10160609760), (3, 6773739840), (4, 5080304880), (5, 4064243904), (6, 3386869920), (7, 2903031360), (8, 2540152440), (9, 2257913280), (10, 2032121952), (12, 1693434960), (14, 1451515680), (15, 1354747968), (16, 1270076220), (18, 1128956640), (20, 1016060976), (21, 967677120), (24, 846717480), (27, 752637760), (28, 725757840), (30, 677373984), (32, 635038110), (35, 580606272), (36, 564478320), (40, 508030488), (42, 483838560), (45, 451582656), (48, 423358740), (54, 376318880), (56, 362878920), (60, 338686992), (63, 322559040), (64, 317519055), (70, 290303136), (72, 282239160), (80, 254015244), (84, 241919280), (90, 225791328), (96, 211679370), (105, 193535424), (108, 188159440), (112, 181439460), (120, 169343496), (126, 161279520), (135, 150527552), (140, 145151568), (144, 141119580), (160, 127007622), (168, 120959640), (180, 112895664), (189, 107519680), (192, 105839685), (210, 96767712), (216, 94079720), (224, 90719730), (240, 84671748), (252, 80639760), (270, 75263776), (280, 72575784), (288, 70559790), (315, 64511808), (320, 63503811), (336, 60479820), (360, 56447832), (378, 53759840), (420, 48383856), (432, 47039860), (448, 45359865), (480, 42335874), (504, 40319880), (540, 37631888), (560, 36287892), (576, 35279895), (630, 32255904), (672, 30239910), (720, 28223916), (756, 26879920), (840, 24191928), (864, 23519930), (945, 21503936), (960, 21167937), (1008, 20159940), (1080, 18815944), (1120, 18143946), (1260, 16127952), (1344, 15119955), (1440, 14111958), (1512, 13439960), (1680, 12095964), (1728, 11759965), (1890, 10751968), (2016, 10079970), (2160, 9407972), (2240, 9071973), (2520, 8063976), (2880, 7055979), (3024, 6719980), (3360, 6047982), (3780, 5375984), (4032, 5039985), (4320, 4703986), (5040, 4031988), (6048, 3359990), (6720, 3023991), (7560, 2687992), (8640, 2351993), (10080, 2015994), (12096, 1679995), (15120, 1343996), (20160, 1007997), (30240, 671998), (60480, 335999)]