20540179520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1521

約数の個数: 224

約数和(自身を含む): 59020984320

約数和(自身を除く): 38480804800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 487, 532, 560, 608, 665, 760, 974, 991, 1064, 1120, 1216, 1330, 1520, 1948, 1982, 2128, 2240, 2435, 2660, 3040, 3409, 3896, 3964, 4256, 4870, 4955, 5320, 6080, 6818, 6937, 7792, 7928, 8512, 9253, 9740, 9910, 10640, 13636, 13874, 15584, 15856, 17045, 18506, 18829, 19480, 19820, 21280, 27272, 27748, 31168, 31712, 34090, 34685, 37012, 37658, 38960, 39640, 42560, 46265, 54544, 55496, 63424, 64771, 68180, 69370, 74024, 75316, 77920, 79280, 92530, 94145, 109088, 110992, 129542, 131803, 136360, 138740, 148048, 150632, 155840, 158560, 185060, 188290, 218176, 221984, 259084, 263606, 272720, 277480, 296096, 301264, 317120, 323855, 370120, 376580, 443968, 482617, 518168, 527212, 545440, 554960, 592192, 602528, 647710, 659015, 740240, 753160, 965234, 1036336, 1054424, 1090880, 1109920, 1205056, 1295420, 1318030, 1480480, 1506320, 1930468, 2072672, 2108848, 2219840, 2413085, 2590840, 2636060, 2960960, 3012640, 3378319, 3860936, 4145344, 4217696, 4826170, 5181680, 5272120, 6025280, 6756638, 7721872, 8435392, 9169723, 9652340, 10363360, 10544240, 13513276, 15443744, 16891595, 18339446, 19304680, 20726720, 21088480, 27026552, 30887488, 33783190, 36678892, 38609360, 42176960, 45848615, 54053104, 64188061, 67566380, 73357784, 77218720, 91697230, 108106208, 128376122, 135132760, 146715568, 154437440, 183394460, 216212416, 256752244, 270265520, 293431136, 320940305, 366788920, 513504488, 540531040, 586862272, 641880610, 733577840, 1027008976, 1081062080, 1283761220, 1467155680, 2054017952, 2567522440, 2934311360, 4108035904, 5135044880, 10270089760, 20540179520]

約数ペア:

[(1, 20540179520), (2, 10270089760), (4, 5135044880), (5, 4108035904), (7, 2934311360), (8, 2567522440), (10, 2054017952), (14, 1467155680), (16, 1283761220), (19, 1081062080), (20, 1027008976), (28, 733577840), (32, 641880610), (35, 586862272), (38, 540531040), (40, 513504488), (56, 366788920), (64, 320940305), (70, 293431136), (76, 270265520), (80, 256752244), (95, 216212416), (112, 183394460), (133, 154437440), (140, 146715568), (152, 135132760), (160, 128376122), (190, 108106208), (224, 91697230), (266, 77218720), (280, 73357784), (304, 67566380), (320, 64188061), (380, 54053104), (448, 45848615), (487, 42176960), (532, 38609360), (560, 36678892), (608, 33783190), (665, 30887488), (760, 27026552), (974, 21088480), (991, 20726720), (1064, 19304680), (1120, 18339446), (1216, 16891595), (1330, 15443744), (1520, 13513276), (1948, 10544240), (1982, 10363360), (2128, 9652340), (2240, 9169723), (2435, 8435392), (2660, 7721872), (3040, 6756638), (3409, 6025280), (3896, 5272120), (3964, 5181680), (4256, 4826170), (4870, 4217696), (4955, 4145344), (5320, 3860936), (6080, 3378319), (6818, 3012640), (6937, 2960960), (7792, 2636060), (7928, 2590840), (8512, 2413085), (9253, 2219840), (9740, 2108848), (9910, 2072672), (10640, 1930468), (13636, 1506320), (13874, 1480480), (15584, 1318030), (15856, 1295420), (17045, 1205056), (18506, 1109920), (18829, 1090880), (19480, 1054424), (19820, 1036336), (21280, 965234), (27272, 753160), (27748, 740240), (31168, 659015), (31712, 647710), (34090, 602528), (34685, 592192), (37012, 554960), (37658, 545440), (38960, 527212), (39640, 518168), (42560, 482617), (46265, 443968), (54544, 376580), (55496, 370120), (63424, 323855), (64771, 317120), (68180, 301264), (69370, 296096), (74024, 277480), (75316, 272720), (77920, 263606), (79280, 259084), (92530, 221984), (94145, 218176), (109088, 188290), (110992, 185060), (129542, 158560), (131803, 155840), (136360, 150632), (138740, 148048)]