20913842880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{148199}}^1$

素因数の和:148236

約数の個数: 252

約数和(自身を含む): 83679944400

約数和(自身を除く): 62766101520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 14112, 15680, 17640, 20160, 23520, 28224, 35280, 47040, 70560, 141120, 148199, 296398, 444597, 592796, 740995, 889194, 1037393, 1185592, 1333791, 1481990, 1778388, 2074786, 2222985, 2371184, 2667582, 2963980, 3112179, 3556776, 4149572, 4445970, 4742368, 5186965, 5335164, 5927960, 6224358, 6668955, 7113552, 7261751, 8299144, 8891940, 9336537, 9484736, 10373930, 10670328, 11855920, 12448716, 13337910, 14227104, 14523502, 15560895, 16598288, 17783880, 18673074, 20747860, 21340656, 21785253, 23711840, 24897432, 26675820, 28454208, 29047004, 31121790, 33196576, 35567760, 36308755, 37346148, 41495720, 42681312, 43570506, 46682685, 47423680, 49794864, 53351640, 58094008, 62243580, 65355759, 66393152, 71135520, 72617510, 74692296, 82991440, 85362624, 87141012, 93365370, 99589728, 106703280, 108926265, 116188016, 124487160, 130711518, 142271040, 145235020, 149384592, 165982880, 174282024, 186730740, 199179456, 213406560, 217852530, 232376032, 248974320, 261423036, 290470040, 298769184, 326778795, 331965760, 348564048, 373461480, 426813120, 435705060, 464752064, 497948640, 522846072, 580940080, 597538368, 653557590, 697128096, 746922960, 871410120, 995897280, 1045692144, 1161880160, 1307115180, 1394256192, 1493845920, 1742820240, 2091384288, 2323760320, 2614230360, 2987691840, 3485640480, 4182768576, 5228460720, 6971280960, 10456921440, 20913842880]

約数ペア:

[(1, 20913842880), (2, 10456921440), (3, 6971280960), (4, 5228460720), (5, 4182768576), (6, 3485640480), (7, 2987691840), (8, 2614230360), (9, 2323760320), (10, 2091384288), (12, 1742820240), (14, 1493845920), (15, 1394256192), (16, 1307115180), (18, 1161880160), (20, 1045692144), (21, 995897280), (24, 871410120), (28, 746922960), (30, 697128096), (32, 653557590), (35, 597538368), (36, 580940080), (40, 522846072), (42, 497948640), (45, 464752064), (48, 435705060), (49, 426813120), (56, 373461480), (60, 348564048), (63, 331965760), (64, 326778795), (70, 298769184), (72, 290470040), (80, 261423036), (84, 248974320), (90, 232376032), (96, 217852530), (98, 213406560), (105, 199179456), (112, 186730740), (120, 174282024), (126, 165982880), (140, 149384592), (144, 145235020), (147, 142271040), (160, 130711518), (168, 124487160), (180, 116188016), (192, 108926265), (196, 106703280), (210, 99589728), (224, 93365370), (240, 87141012), (245, 85362624), (252, 82991440), (280, 74692296), (288, 72617510), (294, 71135520), (315, 66393152), (320, 65355759), (336, 62243580), (360, 58094008), (392, 53351640), (420, 49794864), (441, 47423680), (448, 46682685), (480, 43570506), (490, 42681312), (504, 41495720), (560, 37346148), (576, 36308755), (588, 35567760), (630, 33196576), (672, 31121790), (720, 29047004), (735, 28454208), (784, 26675820), (840, 24897432), (882, 23711840), (960, 21785253), (980, 21340656), (1008, 20747860), (1120, 18673074), (1176, 17783880), (1260, 16598288), (1344, 15560895), (1440, 14523502), (1470, 14227104), (1568, 13337910), (1680, 12448716), (1764, 11855920), (1960, 10670328), (2016, 10373930), (2205, 9484736), (2240, 9336537), (2352, 8891940), (2520, 8299144), (2880, 7261751), (2940, 7113552), (3136, 6668955), (3360, 6224358), (3528, 5927960), (3920, 5335164), (4032, 5186965), (4410, 4742368), (4704, 4445970), (5040, 4149572), (5880, 3556776), (6720, 3112179), (7056, 2963980), (7840, 2667582), (8820, 2371184), (9408, 2222985), (10080, 2074786), (11760, 1778388), (14112, 1481990), (15680, 1333791), (17640, 1185592), (20160, 1037393), (23520, 889194), (28224, 740995), (35280, 592796), (47040, 444597), (70560, 296398), (141120, 148199)]