20698957440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{513367}}^1$

素因数の和:513399

約数の個数: 192

約数和(自身を含む): 81687116160

約数和(自身を除く): 60988158720

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, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 513367, 1026734, 1540101, 2053468, 2566835, 3080202, 3593569, 4106936, 4620303, 5133670, 6160404, 7187138, 7700505, 8213872, 9240606, 10267340, 10780707, 12320808, 14374276, 15401010, 16427744, 17967845, 18481212, 20534680, 21561414, 23101515, 24641616, 28748552, 30802020, 32342121, 32855488, 35935690, 36962424, 41069360, 43122828, 46203030, 49283232, 53903535, 57497104, 61604040, 64684242, 65710976, 71871380, 73924848, 82138720, 86245656, 92406060, 98566464, 107807070, 114994208, 123208080, 129368484, 143742760, 147849696, 161710605, 164277440, 172491312, 184812120, 197132928, 215614140, 229988416, 246416160, 258736968, 287485520, 295699392, 323421210, 328554880, 344982624, 369624240, 431228280, 459976832, 492832320, 517473936, 574971040, 591398784, 646842420, 689965248, 739248480, 862456560, 985664640, 1034947872, 1149942080, 1293684840, 1379930496, 1478496960, 1724913120, 2069895744, 2299884160, 2587369680, 2956993920, 3449826240, 4139791488, 5174739360, 6899652480, 10349478720, 20698957440]

約数ペア:

[(1, 20698957440), (2, 10349478720), (3, 6899652480), (4, 5174739360), (5, 4139791488), (6, 3449826240), (7, 2956993920), (8, 2587369680), (9, 2299884160), (10, 2069895744), (12, 1724913120), (14, 1478496960), (15, 1379930496), (16, 1293684840), (18, 1149942080), (20, 1034947872), (21, 985664640), (24, 862456560), (28, 739248480), (30, 689965248), (32, 646842420), (35, 591398784), (36, 574971040), (40, 517473936), (42, 492832320), (45, 459976832), (48, 431228280), (56, 369624240), (60, 344982624), (63, 328554880), (64, 323421210), (70, 295699392), (72, 287485520), (80, 258736968), (84, 246416160), (90, 229988416), (96, 215614140), (105, 197132928), (112, 184812120), (120, 172491312), (126, 164277440), (128, 161710605), (140, 147849696), (144, 143742760), (160, 129368484), (168, 123208080), (180, 114994208), (192, 107807070), (210, 98566464), (224, 92406060), (240, 86245656), (252, 82138720), (280, 73924848), (288, 71871380), (315, 65710976), (320, 64684242), (336, 61604040), (360, 57497104), (384, 53903535), (420, 49283232), (448, 46203030), (480, 43122828), (504, 41069360), (560, 36962424), (576, 35935690), (630, 32855488), (640, 32342121), (672, 30802020), (720, 28748552), (840, 24641616), (896, 23101515), (960, 21561414), (1008, 20534680), (1120, 18481212), (1152, 17967845), (1260, 16427744), (1344, 15401010), (1440, 14374276), (1680, 12320808), (1920, 10780707), (2016, 10267340), (2240, 9240606), (2520, 8213872), (2688, 7700505), (2880, 7187138), (3360, 6160404), (4032, 5133670), (4480, 4620303), (5040, 4106936), (5760, 3593569), (6720, 3080202), (8064, 2566835), (10080, 2053468), (13440, 1540101), (20160, 1026734), (40320, 513367)]