20138065920

素因数分解:

$2^{15}\times 3^2\times 5^1\times 7^1\times {\mathrm{1951}}^1$

素因数の和:1999

約数の個数: 384

約数和(自身を含む): 79824775680

約数和(自身を除く): 59686709760

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, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 1951, 2016, 2048, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 3902, 4032, 4096, 4480, 4608, 5040, 5120, 5376, 5760, 5853, 6144, 6720, 7168, 7680, 7804, 8064, 8192, 8960, 9216, 9755, 10080, 10240, 10752, 11520, 11706, 12288, 13440, 13657, 14336, 15360, 15608, 16128, 16384, 17559, 17920, 18432, 19510, 20160, 20480, 21504, 23040, 23412, 24576, 26880, 27314, 28672, 29265, 30720, 31216, 32256, 32768, 35118, 35840, 36864, 39020, 40320, 40960, 40971, 43008, 46080, 46824, 49152, 53760, 54628, 57344, 58530, 61440, 62432, 64512, 68285, 70236, 71680, 73728, 78040, 80640, 81920, 81942, 86016, 87795, 92160, 93648, 98304, 107520, 109256, 114688, 117060, 122880, 122913, 124864, 129024, 136570, 140472, 143360, 147456, 156080, 161280, 163840, 163884, 172032, 175590, 184320, 187296, 204855, 215040, 218512, 229376, 234120, 245760, 245826, 249728, 258048, 273140, 280944, 286720, 294912, 312160, 322560, 327768, 344064, 351180, 368640, 374592, 409710, 430080, 437024, 468240, 491520, 491652, 499456, 516096, 546280, 561888, 573440, 614565, 624320, 645120, 655536, 688128, 702360, 737280, 749184, 819420, 860160, 874048, 936480, 983304, 998912, 1032192, 1092560, 1123776, 1146880, 1229130, 1248640, 1290240, 1311072, 1404720, 1474560, 1498368, 1638840, 1720320, 1748096, 1872960, 1966608, 1997824, 2064384, 2185120, 2247552, 2458260, 2497280, 2580480, 2622144, 2809440, 2996736, 3277680, 3440640, 3496192, 3745920, 3933216, 3995648, 4370240, 4495104, 4916520, 4994560, 5160960, 5244288, 5618880, 5993472, 6555360, 6992384, 7491840, 7866432, 7991296, 8740480, 8990208, 9833040, 9989120, 10321920, 10488576, 11237760, 11986944, 13110720, 13984768, 14983680, 15732864, 15982592, 17480960, 17980416, 19666080, 19978240, 20977152, 22475520, 23973888, 26221440, 27969536, 29967360, 31465728, 31965184, 34961920, 35960832, 39332160, 39956480, 41954304, 44951040, 47947776, 52442880, 55939072, 59934720, 62931456, 63930368, 69923840, 71921664, 78664320, 79912960, 83908608, 89902080, 95895552, 104885760, 111878144, 119869440, 125862912, 139847680, 143843328, 157328640, 159825920, 167817216, 179804160, 191791104, 209771520, 223756288, 239738880, 251725824, 279695360, 287686656, 314657280, 319651840, 335634432, 359608320, 419543040, 447512576, 479477760, 503451648, 559390720, 575373312, 629314560, 671268864, 719216640, 839086080, 958955520, 1006903296, 1118781440, 1258629120, 1342537728, 1438433280, 1678172160, 2013806592, 2237562880, 2517258240, 2876866560, 3356344320, 4027613184, 5034516480, 6712688640, 10069032960, 20138065920]

約数ペア:

[(1, 20138065920), (2, 10069032960), (3, 6712688640), (4, 5034516480), (5, 4027613184), (6, 3356344320), (7, 2876866560), (8, 2517258240), (9, 2237562880), (10, 2013806592), (12, 1678172160), (14, 1438433280), (15, 1342537728), (16, 1258629120), (18, 1118781440), (20, 1006903296), (21, 958955520), (24, 839086080), (28, 719216640), (30, 671268864), (32, 629314560), (35, 575373312), (36, 559390720), (40, 503451648), (42, 479477760), (45, 447512576), (48, 419543040), (56, 359608320), (60, 335634432), (63, 319651840), (64, 314657280), (70, 287686656), (72, 279695360), (80, 251725824), (84, 239738880), (90, 223756288), (96, 209771520), (105, 191791104), (112, 179804160), (120, 167817216), (126, 159825920), (128, 157328640), (140, 143843328), (144, 139847680), (160, 125862912), (168, 119869440), (180, 111878144), (192, 104885760), (210, 95895552), (224, 89902080), (240, 83908608), (252, 79912960), (256, 78664320), (280, 71921664), (288, 69923840), (315, 63930368), (320, 62931456), (336, 59934720), (360, 55939072), (384, 52442880), (420, 47947776), (448, 44951040), (480, 41954304), (504, 39956480), (512, 39332160), (560, 35960832), (576, 34961920), (630, 31965184), (640, 31465728), (672, 29967360), (720, 27969536), (768, 26221440), (840, 23973888), (896, 22475520), (960, 20977152), (1008, 19978240), (1024, 19666080), (1120, 17980416), (1152, 17480960), (1260, 15982592), (1280, 15732864), (1344, 14983680), (1440, 13984768), (1536, 13110720), (1680, 11986944), (1792, 11237760), (1920, 10488576), (1951, 10321920), (2016, 9989120), (2048, 9833040), (2240, 8990208), (2304, 8740480), (2520, 7991296), (2560, 7866432), (2688, 7491840), (2880, 6992384), (3072, 6555360), (3360, 5993472), (3584, 5618880), (3840, 5244288), (3902, 5160960), (4032, 4994560), (4096, 4916520), (4480, 4495104), (4608, 4370240), (5040, 3995648), (5120, 3933216), (5376, 3745920), (5760, 3496192), (5853, 3440640), (6144, 3277680), (6720, 2996736), (7168, 2809440), (7680, 2622144), (7804, 2580480), (8064, 2497280), (8192, 2458260), (8960, 2247552), (9216, 2185120), (9755, 2064384), (10080, 1997824), (10240, 1966608), (10752, 1872960), (11520, 1748096), (11706, 1720320), (12288, 1638840), (13440, 1498368), (13657, 1474560), (14336, 1404720), (15360, 1311072), (15608, 1290240), (16128, 1248640), (16384, 1229130), (17559, 1146880), (17920, 1123776), (18432, 1092560), (19510, 1032192), (20160, 998912), (20480, 983304), (21504, 936480), (23040, 874048), (23412, 860160), (24576, 819420), (26880, 749184), (27314, 737280), (28672, 702360), (29265, 688128), (30720, 655536), (31216, 645120), (32256, 624320), (32768, 614565), (35118, 573440), (35840, 561888), (36864, 546280), (39020, 516096), (40320, 499456), (40960, 491652), (40971, 491520), (43008, 468240), (46080, 437024), (46824, 430080), (49152, 409710), (53760, 374592), (54628, 368640), (57344, 351180), (58530, 344064), (61440, 327768), (62432, 322560), (64512, 312160), (68285, 294912), (70236, 286720), (71680, 280944), (73728, 273140), (78040, 258048), (80640, 249728), (81920, 245826), (81942, 245760), (86016, 234120), (87795, 229376), (92160, 218512), (93648, 215040), (98304, 204855), (107520, 187296), (109256, 184320), (114688, 175590), (117060, 172032), (122880, 163884), (122913, 163840), (124864, 161280), (129024, 156080), (136570, 147456), (140472, 143360)]