20985576192

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3019}}^1$

素因数の和:3479

約数の個数: 216

約数和(自身を含む): 69333788160

約数和(自身を除く): 48348211968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 431, 448, 504, 576, 672, 768, 862, 896, 1008, 1152, 1293, 1344, 1724, 1792, 2016, 2304, 2586, 2688, 3017, 3019, 3448, 3879, 4032, 5172, 5376, 6034, 6038, 6896, 7758, 8064, 9051, 9057, 10344, 12068, 12076, 13792, 15516, 16128, 18102, 18114, 20688, 21133, 24136, 24152, 27153, 27171, 27584, 31032, 36204, 36228, 41376, 42266, 48272, 48304, 54306, 54342, 55168, 62064, 63399, 72408, 72456, 82752, 84532, 96544, 96608, 108612, 108684, 110336, 124128, 126798, 144816, 144912, 165504, 169064, 190197, 193088, 193216, 217224, 217368, 248256, 253596, 289632, 289824, 331008, 338128, 380394, 386176, 386432, 434448, 434736, 496512, 507192, 579264, 579648, 676256, 760788, 772352, 772864, 868896, 869472, 993024, 1014384, 1158528, 1159296, 1301189, 1352512, 1521576, 1737792, 1738944, 2028768, 2317056, 2318592, 2602378, 2705024, 3043152, 3475584, 3477888, 3903567, 4057536, 5204756, 5410048, 6086304, 6951168, 6955776, 7807134, 8115072, 9108323, 10409512, 11710701, 12172608, 15614268, 16230144, 18216646, 20819024, 23421402, 24345216, 27324969, 31228536, 36433292, 41638048, 46842804, 48690432, 54649938, 62457072, 72866584, 81974907, 83276096, 93685608, 109299876, 124914144, 145733168, 163949814, 166552192, 187371216, 218599752, 249828288, 291466336, 327899628, 333104384, 374742432, 437199504, 499656576, 582932672, 655799256, 749484864, 874399008, 999313152, 1165865344, 1311598512, 1498969728, 1748798016, 2331730688, 2623197024, 2997939456, 3497596032, 5246394048, 6995192064, 10492788096, 20985576192]

約数ペア:

[(1, 20985576192), (2, 10492788096), (3, 6995192064), (4, 5246394048), (6, 3497596032), (7, 2997939456), (8, 2623197024), (9, 2331730688), (12, 1748798016), (14, 1498969728), (16, 1311598512), (18, 1165865344), (21, 999313152), (24, 874399008), (28, 749484864), (32, 655799256), (36, 582932672), (42, 499656576), (48, 437199504), (56, 374742432), (63, 333104384), (64, 327899628), (72, 291466336), (84, 249828288), (96, 218599752), (112, 187371216), (126, 166552192), (128, 163949814), (144, 145733168), (168, 124914144), (192, 109299876), (224, 93685608), (252, 83276096), (256, 81974907), (288, 72866584), (336, 62457072), (384, 54649938), (431, 48690432), (448, 46842804), (504, 41638048), (576, 36433292), (672, 31228536), (768, 27324969), (862, 24345216), (896, 23421402), (1008, 20819024), (1152, 18216646), (1293, 16230144), (1344, 15614268), (1724, 12172608), (1792, 11710701), (2016, 10409512), (2304, 9108323), (2586, 8115072), (2688, 7807134), (3017, 6955776), (3019, 6951168), (3448, 6086304), (3879, 5410048), (4032, 5204756), (5172, 4057536), (5376, 3903567), (6034, 3477888), (6038, 3475584), (6896, 3043152), (7758, 2705024), (8064, 2602378), (9051, 2318592), (9057, 2317056), (10344, 2028768), (12068, 1738944), (12076, 1737792), (13792, 1521576), (15516, 1352512), (16128, 1301189), (18102, 1159296), (18114, 1158528), (20688, 1014384), (21133, 993024), (24136, 869472), (24152, 868896), (27153, 772864), (27171, 772352), (27584, 760788), (31032, 676256), (36204, 579648), (36228, 579264), (41376, 507192), (42266, 496512), (48272, 434736), (48304, 434448), (54306, 386432), (54342, 386176), (55168, 380394), (62064, 338128), (63399, 331008), (72408, 289824), (72456, 289632), (82752, 253596), (84532, 248256), (96544, 217368), (96608, 217224), (108612, 193216), (108684, 193088), (110336, 190197), (124128, 169064), (126798, 165504), (144816, 144912)]