20216931840

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{125353}}^1$

素因数の和:125389

約数の個数: 240

約数和(自身を含む): 80019976608

約数和(自身を除く): 59803044768

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, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 125353, 161280, 250706, 376059, 501412, 626765, 752118, 877471, 1002824, 1128177, 1253530, 1504236, 1754942, 1880295, 2005648, 2256354, 2507060, 2632413, 3008472, 3509884, 3760590, 4011296, 4387355, 4512708, 5014120, 5264826, 5640885, 6016944, 7019768, 7521180, 7897239, 8022592, 8774710, 9025416, 10028240, 10529652, 11281770, 12033888, 13162065, 14039536, 15042360, 15794478, 16045184, 17549420, 18050832, 20056480, 21059304, 22563540, 24067776, 26324130, 28079072, 30084720, 31588956, 32090368, 35098840, 36101664, 39486195, 40112960, 42118608, 45127080, 48135552, 52648260, 56158144, 60169440, 63177912, 64180736, 70197680, 72203328, 78972390, 80225920, 84237216, 90254160, 96271104, 105296520, 112316288, 120338880, 126355824, 140395360, 144406656, 157944780, 160451840, 168474432, 180508320, 192542208, 210593040, 224632576, 240677760, 252711648, 280790720, 288813312, 315889560, 320903680, 336948864, 361016640, 421186080, 449265152, 481355520, 505423296, 561581440, 577626624, 631779120, 673897728, 722033280, 842372160, 962711040, 1010846592, 1123162880, 1263558240, 1347795456, 1444066560, 1684744320, 2021693184, 2246325760, 2527116480, 2888133120, 3369488640, 4043386368, 5054232960, 6738977280, 10108465920, 20216931840]

約数ペア:

[(1, 20216931840), (2, 10108465920), (3, 6738977280), (4, 5054232960), (5, 4043386368), (6, 3369488640), (7, 2888133120), (8, 2527116480), (9, 2246325760), (10, 2021693184), (12, 1684744320), (14, 1444066560), (15, 1347795456), (16, 1263558240), (18, 1123162880), (20, 1010846592), (21, 962711040), (24, 842372160), (28, 722033280), (30, 673897728), (32, 631779120), (35, 577626624), (36, 561581440), (40, 505423296), (42, 481355520), (45, 449265152), (48, 421186080), (56, 361016640), (60, 336948864), (63, 320903680), (64, 315889560), (70, 288813312), (72, 280790720), (80, 252711648), (84, 240677760), (90, 224632576), (96, 210593040), (105, 192542208), (112, 180508320), (120, 168474432), (126, 160451840), (128, 157944780), (140, 144406656), (144, 140395360), (160, 126355824), (168, 120338880), (180, 112316288), (192, 105296520), (210, 96271104), (224, 90254160), (240, 84237216), (252, 80225920), (256, 78972390), (280, 72203328), (288, 70197680), (315, 64180736), (320, 63177912), (336, 60169440), (360, 56158144), (384, 52648260), (420, 48135552), (448, 45127080), (480, 42118608), (504, 40112960), (512, 39486195), (560, 36101664), (576, 35098840), (630, 32090368), (640, 31588956), (672, 30084720), (720, 28079072), (768, 26324130), (840, 24067776), (896, 22563540), (960, 21059304), (1008, 20056480), (1120, 18050832), (1152, 17549420), (1260, 16045184), (1280, 15794478), (1344, 15042360), (1440, 14039536), (1536, 13162065), (1680, 12033888), (1792, 11281770), (1920, 10529652), (2016, 10028240), (2240, 9025416), (2304, 8774710), (2520, 8022592), (2560, 7897239), (2688, 7521180), (2880, 7019768), (3360, 6016944), (3584, 5640885), (3840, 5264826), (4032, 5014120), (4480, 4512708), (4608, 4387355), (5040, 4011296), (5376, 3760590), (5760, 3509884), (6720, 3008472), (7680, 2632413), (8064, 2507060), (8960, 2256354), (10080, 2005648), (10752, 1880295), (11520, 1754942), (13440, 1504236), (16128, 1253530), (17920, 1128177), (20160, 1002824), (23040, 877471), (26880, 752118), (32256, 626765), (40320, 501412), (53760, 376059), (80640, 250706), (125353, 161280)]