20856008880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4689

約数の個数: 480

約数和(自身を含む): 85497384960

約数和(自身を除く): 64641376080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 31, 35, 36, 40, 42, 45, 48, 56, 58, 60, 62, 63, 70, 72, 80, 84, 87, 90, 93, 105, 112, 116, 120, 124, 126, 140, 144, 145, 155, 168, 174, 180, 186, 203, 210, 217, 232, 240, 248, 252, 261, 279, 280, 290, 310, 315, 336, 348, 360, 372, 406, 420, 434, 435, 464, 465, 496, 504, 522, 558, 560, 580, 609, 620, 630, 651, 696, 720, 744, 812, 840, 868, 870, 899, 930, 1008, 1015, 1044, 1085, 1116, 1160, 1218, 1240, 1260, 1302, 1305, 1392, 1395, 1488, 1624, 1680, 1736, 1740, 1798, 1827, 1860, 1953, 2030, 2088, 2170, 2232, 2320, 2436, 2480, 2520, 2604, 2610, 2697, 2790, 3045, 3248, 3255, 3472, 3480, 3596, 3654, 3720, 3906, 4060, 4176, 4340, 4464, 4495, 4603, 4872, 5040, 5208, 5220, 5394, 5580, 6090, 6293, 6510, 6960, 7192, 7308, 7440, 7812, 8091, 8120, 8680, 8990, 9135, 9206, 9744, 9765, 10416, 10440, 10788, 11160, 12180, 12586, 13020, 13485, 13809, 14384, 14616, 15624, 16182, 16240, 17360, 17980, 18270, 18412, 18879, 19530, 20880, 21576, 22320, 23015, 24360, 25172, 26040, 26970, 27618, 29232, 31248, 31465, 32221, 32364, 35960, 36540, 36824, 37758, 39060, 40455, 41427, 43152, 46030, 48720, 50344, 52080, 53940, 55236, 56637, 62930, 64442, 64728, 69045, 71920, 73080, 73648, 75516, 78120, 80910, 82854, 92060, 94395, 96663, 100688, 107880, 110472, 113274, 125860, 128884, 129456, 133487, 138090, 142693, 146160, 151032, 156240, 161105, 161820, 165708, 184120, 188790, 193326, 207135, 215760, 220944, 226548, 251720, 257768, 266974, 276180, 283185, 285386, 289989, 302064, 322210, 323640, 331416, 368240, 377580, 386652, 400461, 414270, 428079, 453096, 483315, 503440, 515536, 533948, 552360, 566370, 570772, 579978, 644420, 647280, 662832, 667435, 713465, 755160, 773304, 800922, 828540, 856158, 906192, 934409, 966630, 998851, 1067896, 1104720, 1132740, 1141544, 1159956, 1201383, 1284237, 1288840, 1334870, 1426930, 1449945, 1510320, 1546608, 1601844, 1657080, 1712316, 1868818, 1933260, 1997702, 2002305, 2135792, 2140395, 2265480, 2283088, 2319912, 2402766, 2568474, 2577680, 2669740, 2803227, 2853860, 2899890, 2996553, 3203688, 3314160, 3424632, 3737636, 3866520, 3995404, 4004610, 4138097, 4280790, 4530960, 4639824, 4672045, 4805532, 4994255, 5136948, 5339480, 5606454, 5707720, 5799780, 5993106, 6006915, 6407376, 6421185, 6849264, 7475272, 7733040, 7990808, 8009220, 8276194, 8409681, 8561580, 8989659, 9344090, 9611064, 9988510, 10273896, 10678960, 11212908, 11415440, 11599560, 11986212, 12013830, 12414291, 12842370, 14016135, 14950544, 14982765, 15981616, 16018440, 16552388, 16819362, 17123160, 17979318, 18688180, 19222128, 19977020, 20547792, 20690485, 22425816, 23199120, 23972424, 24027660, 24828582, 25684740, 28032270, 28966679, 29965530, 32036880, 33104776, 33638724, 34246320, 35958636, 37242873, 37376360, 39954040, 41380970, 42048405, 44851632, 44948295, 47944848, 48055320, 49657164, 51369480, 56064540, 57933358, 59931060, 62071455, 66209552, 67277448, 71917272, 74485746, 74752720, 79908080, 82761940, 84096810, 86900037, 89896590, 96110640, 99314328, 102738960, 112129080, 115866716, 119862120, 124142910, 134554896, 143834544, 144833395, 148971492, 165523880, 168193620, 173800074, 179793180, 186214365, 198628656, 224258160, 231733432, 239724240, 248285820, 260700111, 289666790, 297942984, 331047760, 336387240, 347600148, 359586360, 372428730, 434500185, 463466864, 496571640, 521400222, 579333580, 595885968, 672774480, 695200296, 719172720, 744857460, 869000370, 993143280, 1042800444, 1158667160, 1303500555, 1390400592, 1489714920, 1738000740, 2085600888, 2317334320, 2607001110, 2979429840, 3476001480, 4171201776, 5214002220, 6952002960, 10428004440, 20856008880]

約数ペア:

[(1, 20856008880), (2, 10428004440), (3, 6952002960), (4, 5214002220), (5, 4171201776), (6, 3476001480), (7, 2979429840), (8, 2607001110), (9, 2317334320), (10, 2085600888), (12, 1738000740), (14, 1489714920), (15, 1390400592), (16, 1303500555), (18, 1158667160), (20, 1042800444), (21, 993143280), (24, 869000370), (28, 744857460), (29, 719172720), (30, 695200296), (31, 672774480), (35, 595885968), (36, 579333580), (40, 521400222), (42, 496571640), (45, 463466864), (48, 434500185), (56, 372428730), (58, 359586360), (60, 347600148), (62, 336387240), (63, 331047760), (70, 297942984), (72, 289666790), (80, 260700111), (84, 248285820), (87, 239724240), (90, 231733432), (93, 224258160), (105, 198628656), (112, 186214365), (116, 179793180), (120, 173800074), (124, 168193620), (126, 165523880), (140, 148971492), (144, 144833395), (145, 143834544), (155, 134554896), (168, 124142910), (174, 119862120), (180, 115866716), (186, 112129080), (203, 102738960), (210, 99314328), (217, 96110640), (232, 89896590), (240, 86900037), (248, 84096810), (252, 82761940), (261, 79908080), (279, 74752720), (280, 74485746), (290, 71917272), (310, 67277448), (315, 66209552), (336, 62071455), (348, 59931060), (360, 57933358), (372, 56064540), (406, 51369480), (420, 49657164), (434, 48055320), (435, 47944848), (464, 44948295), (465, 44851632), (496, 42048405), (504, 41380970), (522, 39954040), (558, 37376360), (560, 37242873), (580, 35958636), (609, 34246320), (620, 33638724), (630, 33104776), (651, 32036880), (696, 29965530), (720, 28966679), (744, 28032270), (812, 25684740), (840, 24828582), (868, 24027660), (870, 23972424), (899, 23199120), (930, 22425816), (1008, 20690485), (1015, 20547792), (1044, 19977020), (1085, 19222128), (1116, 18688180), (1160, 17979318), (1218, 17123160), (1240, 16819362), (1260, 16552388), (1302, 16018440), (1305, 15981616), (1392, 14982765), (1395, 14950544), (1488, 14016135), (1624, 12842370), (1680, 12414291), (1736, 12013830), (1740, 11986212), (1798, 11599560), (1827, 11415440), (1860, 11212908), (1953, 10678960), (2030, 10273896), (2088, 9988510), (2170, 9611064), (2232, 9344090), (2320, 8989659), (2436, 8561580), (2480, 8409681), (2520, 8276194), (2604, 8009220), (2610, 7990808), (2697, 7733040), (2790, 7475272), (3045, 6849264), (3248, 6421185), (3255, 6407376), (3472, 6006915), (3480, 5993106), (3596, 5799780), (3654, 5707720), (3720, 5606454), (3906, 5339480), (4060, 5136948), (4176, 4994255), (4340, 4805532), (4464, 4672045), (4495, 4639824), (4603, 4530960), (4872, 4280790), (5040, 4138097), (5208, 4004610), (5220, 3995404), (5394, 3866520), (5580, 3737636), (6090, 3424632), (6293, 3314160), (6510, 3203688), (6960, 2996553), (7192, 2899890), (7308, 2853860), (7440, 2803227), (7812, 2669740), (8091, 2577680), (8120, 2568474), (8680, 2402766), (8990, 2319912), (9135, 2283088), (9206, 2265480), (9744, 2140395), (9765, 2135792), (10416, 2002305), (10440, 1997702), (10788, 1933260), (11160, 1868818), (12180, 1712316), (12586, 1657080), (13020, 1601844), (13485, 1546608), (13809, 1510320), (14384, 1449945), (14616, 1426930), (15624, 1334870), (16182, 1288840), (16240, 1284237), (17360, 1201383), (17980, 1159956), (18270, 1141544), (18412, 1132740), (18879, 1104720), (19530, 1067896), (20880, 998851), (21576, 966630), (22320, 934409), (23015, 906192), (24360, 856158), (25172, 828540), (26040, 800922), (26970, 773304), (27618, 755160), (29232, 713465), (31248, 667435), (31465, 662832), (32221, 647280), (32364, 644420), (35960, 579978), (36540, 570772), (36824, 566370), (37758, 552360), (39060, 533948), (40455, 515536), (41427, 503440), (43152, 483315), (46030, 453096), (48720, 428079), (50344, 414270), (52080, 400461), (53940, 386652), (55236, 377580), (56637, 368240), (62930, 331416), (64442, 323640), (64728, 322210), (69045, 302064), (71920, 289989), (73080, 285386), (73648, 283185), (75516, 276180), (78120, 266974), (80910, 257768), (82854, 251720), (92060, 226548), (94395, 220944), (96663, 215760), (100688, 207135), (107880, 193326), (110472, 188790), (113274, 184120), (125860, 165708), (128884, 161820), (129456, 161105), (133487, 156240), (138090, 151032), (142693, 146160)]