20459738880

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{253717}}^1$

素因数の和:253751

約数の個数: 216

約数和(自身を含む): 80901536352

約数和(自身を除く): 60441797472

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, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 253717, 507434, 761151, 1014868, 1268585, 1522302, 1776019, 2029736, 2283453, 2537170, 3044604, 3552038, 3805755, 4059472, 4566906, 5074340, 5328057, 6089208, 7104076, 7611510, 8118944, 8880095, 9133812, 10148680, 10656114, 11417265, 12178416, 14208152, 15223020, 15984171, 16237888, 17760190, 18267624, 20297360, 21312228, 22834530, 24356832, 26640285, 28416304, 30446040, 31968342, 32475776, 35520380, 36535248, 40594720, 42624456, 45669060, 48713664, 53280570, 56832608, 60892080, 63936684, 64951552, 71040760, 73070496, 79920855, 81189440, 85248912, 91338120, 97427328, 106561140, 113665216, 121784160, 127873368, 142081520, 146140992, 159841710, 162378880, 170497824, 182676240, 194854656, 213122280, 227330432, 243568320, 255746736, 284163040, 292281984, 319683420, 324757760, 340995648, 365352480, 426244560, 454660864, 487136640, 511493472, 568326080, 584563968, 639366840, 681991296, 730704960, 852489120, 974273280, 1022986944, 1136652160, 1278733680, 1363982592, 1461409920, 1704978240, 2045973888, 2273304320, 2557467360, 2922819840, 3409956480, 4091947776, 5114934720, 6819912960, 10229869440, 20459738880]

約数ペア:

[(1, 20459738880), (2, 10229869440), (3, 6819912960), (4, 5114934720), (5, 4091947776), (6, 3409956480), (7, 2922819840), (8, 2557467360), (9, 2273304320), (10, 2045973888), (12, 1704978240), (14, 1461409920), (15, 1363982592), (16, 1278733680), (18, 1136652160), (20, 1022986944), (21, 974273280), (24, 852489120), (28, 730704960), (30, 681991296), (32, 639366840), (35, 584563968), (36, 568326080), (40, 511493472), (42, 487136640), (45, 454660864), (48, 426244560), (56, 365352480), (60, 340995648), (63, 324757760), (64, 319683420), (70, 292281984), (72, 284163040), (80, 255746736), (84, 243568320), (90, 227330432), (96, 213122280), (105, 194854656), (112, 182676240), (120, 170497824), (126, 162378880), (128, 159841710), (140, 146140992), (144, 142081520), (160, 127873368), (168, 121784160), (180, 113665216), (192, 106561140), (210, 97427328), (224, 91338120), (240, 85248912), (252, 81189440), (256, 79920855), (280, 73070496), (288, 71040760), (315, 64951552), (320, 63936684), (336, 60892080), (360, 56832608), (384, 53280570), (420, 48713664), (448, 45669060), (480, 42624456), (504, 40594720), (560, 36535248), (576, 35520380), (630, 32475776), (640, 31968342), (672, 30446040), (720, 28416304), (768, 26640285), (840, 24356832), (896, 22834530), (960, 21312228), (1008, 20297360), (1120, 18267624), (1152, 17760190), (1260, 16237888), (1280, 15984171), (1344, 15223020), (1440, 14208152), (1680, 12178416), (1792, 11417265), (1920, 10656114), (2016, 10148680), (2240, 9133812), (2304, 8880095), (2520, 8118944), (2688, 7611510), (2880, 7104076), (3360, 6089208), (3840, 5328057), (4032, 5074340), (4480, 4566906), (5040, 4059472), (5376, 3805755), (5760, 3552038), (6720, 3044604), (8064, 2537170), (8960, 2283453), (10080, 2029736), (11520, 1776019), (13440, 1522302), (16128, 1268585), (20160, 1014868), (26880, 761151), (40320, 507434), (80640, 253717)]