20938075920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{1693}}^1$

素因数の和:1994

約数の個数: 240

約数和(自身を含む): 71517766320

約数和(自身を除く): 50579690400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 193, 240, 267, 356, 360, 386, 445, 534, 579, 712, 720, 772, 801, 890, 965, 1068, 1158, 1335, 1424, 1544, 1602, 1693, 1737, 1780, 1930, 2136, 2316, 2670, 2895, 3088, 3204, 3386, 3474, 3560, 3860, 4005, 4272, 4632, 5079, 5340, 5790, 6408, 6772, 6948, 7120, 7720, 8010, 8465, 8685, 9264, 10158, 10680, 11580, 12816, 13544, 13896, 15237, 15440, 16020, 16930, 17177, 17370, 20316, 21360, 23160, 25395, 27088, 27792, 30474, 32040, 33860, 34354, 34740, 40632, 46320, 50790, 51531, 60948, 64080, 67720, 68708, 69480, 76185, 81264, 85885, 101580, 103062, 121896, 135440, 137416, 138960, 150677, 152370, 154593, 171770, 203160, 206124, 243792, 257655, 274832, 301354, 304740, 309186, 326749, 343540, 406320, 412248, 452031, 515310, 602708, 609480, 618372, 653498, 687080, 753385, 772965, 824496, 904062, 980247, 1030620, 1205416, 1218960, 1236744, 1306996, 1356093, 1374160, 1506770, 1545930, 1633745, 1808124, 1960494, 2061240, 2260155, 2410832, 2473488, 2613992, 2712186, 2940741, 3013540, 3091860, 3267490, 3616248, 3920988, 4122480, 4520310, 4901235, 5227984, 5424372, 5881482, 6027080, 6183720, 6534980, 6780465, 7232496, 7841976, 9040620, 9802470, 10848744, 11762964, 12054160, 12367440, 13069960, 13560930, 14703705, 15683952, 18081240, 19604940, 21697488, 23525928, 26139920, 27121860, 29080661, 29407410, 36162480, 39209880, 47051856, 54243720, 58161322, 58814820, 78419760, 87241983, 108487440, 116322644, 117629640, 145403305, 174483966, 232645288, 235259280, 261725949, 290806610, 348967932, 436209915, 465290576, 523451898, 581613220, 697935864, 872419830, 1046903796, 1163226440, 1308629745, 1395871728, 1744839660, 2093807592, 2326452880, 2617259490, 3489679320, 4187615184, 5234518980, 6979358640, 10469037960, 20938075920]

約数ペア:

[(1, 20938075920), (2, 10469037960), (3, 6979358640), (4, 5234518980), (5, 4187615184), (6, 3489679320), (8, 2617259490), (9, 2326452880), (10, 2093807592), (12, 1744839660), (15, 1395871728), (16, 1308629745), (18, 1163226440), (20, 1046903796), (24, 872419830), (30, 697935864), (36, 581613220), (40, 523451898), (45, 465290576), (48, 436209915), (60, 348967932), (72, 290806610), (80, 261725949), (89, 235259280), (90, 232645288), (120, 174483966), (144, 145403305), (178, 117629640), (180, 116322644), (193, 108487440), (240, 87241983), (267, 78419760), (356, 58814820), (360, 58161322), (386, 54243720), (445, 47051856), (534, 39209880), (579, 36162480), (712, 29407410), (720, 29080661), (772, 27121860), (801, 26139920), (890, 23525928), (965, 21697488), (1068, 19604940), (1158, 18081240), (1335, 15683952), (1424, 14703705), (1544, 13560930), (1602, 13069960), (1693, 12367440), (1737, 12054160), (1780, 11762964), (1930, 10848744), (2136, 9802470), (2316, 9040620), (2670, 7841976), (2895, 7232496), (3088, 6780465), (3204, 6534980), (3386, 6183720), (3474, 6027080), (3560, 5881482), (3860, 5424372), (4005, 5227984), (4272, 4901235), (4632, 4520310), (5079, 4122480), (5340, 3920988), (5790, 3616248), (6408, 3267490), (6772, 3091860), (6948, 3013540), (7120, 2940741), (7720, 2712186), (8010, 2613992), (8465, 2473488), (8685, 2410832), (9264, 2260155), (10158, 2061240), (10680, 1960494), (11580, 1808124), (12816, 1633745), (13544, 1545930), (13896, 1506770), (15237, 1374160), (15440, 1356093), (16020, 1306996), (16930, 1236744), (17177, 1218960), (17370, 1205416), (20316, 1030620), (21360, 980247), (23160, 904062), (25395, 824496), (27088, 772965), (27792, 753385), (30474, 687080), (32040, 653498), (33860, 618372), (34354, 609480), (34740, 602708), (40632, 515310), (46320, 452031), (50790, 412248), (51531, 406320), (60948, 343540), (64080, 326749), (67720, 309186), (68708, 304740), (69480, 301354), (76185, 274832), (81264, 257655), (85885, 243792), (101580, 206124), (103062, 203160), (121896, 171770), (135440, 154593), (137416, 152370), (138960, 150677)]