20352640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 62791200

約数和(自身を除く): 42438560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 59, 64, 70, 77, 80, 88, 98, 110, 112, 118, 128, 140, 154, 160, 176, 196, 220, 224, 236, 245, 280, 295, 308, 320, 352, 385, 392, 413, 440, 448, 472, 490, 539, 560, 590, 616, 640, 649, 704, 770, 784, 826, 880, 896, 944, 980, 1078, 1120, 1180, 1232, 1298, 1408, 1540, 1568, 1652, 1760, 1888, 1960, 2065, 2156, 2240, 2360, 2464, 2596, 2695, 2891, 3080, 3136, 3245, 3304, 3520, 3776, 3920, 4130, 4312, 4480, 4543, 4720, 4928, 5192, 5390, 5782, 6160, 6272, 6490, 6608, 7040, 7552, 7840, 8260, 8624, 9086, 9440, 9856, 10384, 10780, 11564, 12320, 12980, 13216, 14455, 15680, 16520, 17248, 18172, 18880, 20768, 21560, 22715, 23128, 24640, 25960, 26432, 28910, 31360, 31801, 33040, 34496, 36344, 37760, 41536, 43120, 45430, 46256, 49280, 51920, 52864, 57820, 63602, 66080, 68992, 72688, 83072, 86240, 90860, 92512, 103840, 115640, 127204, 132160, 145376, 159005, 172480, 181720, 185024, 207680, 231280, 254408, 264320, 290752, 318010, 344960, 363440, 370048, 415360, 462560, 508816, 581504, 636020, 726880, 925120, 1017632, 1272040, 1453760, 1850240, 2035264, 2544080, 2907520, 4070528, 5088160, 10176320, 20352640]

約数ペア:

[(1, 20352640), (2, 10176320), (4, 5088160), (5, 4070528), (7, 2907520), (8, 2544080), (10, 2035264), (11, 1850240), (14, 1453760), (16, 1272040), (20, 1017632), (22, 925120), (28, 726880), (32, 636020), (35, 581504), (40, 508816), (44, 462560), (49, 415360), (55, 370048), (56, 363440), (59, 344960), (64, 318010), (70, 290752), (77, 264320), (80, 254408), (88, 231280), (98, 207680), (110, 185024), (112, 181720), (118, 172480), (128, 159005), (140, 145376), (154, 132160), (160, 127204), (176, 115640), (196, 103840), (220, 92512), (224, 90860), (236, 86240), (245, 83072), (280, 72688), (295, 68992), (308, 66080), (320, 63602), (352, 57820), (385, 52864), (392, 51920), (413, 49280), (440, 46256), (448, 45430), (472, 43120), (490, 41536), (539, 37760), (560, 36344), (590, 34496), (616, 33040), (640, 31801), (649, 31360), (704, 28910), (770, 26432), (784, 25960), (826, 24640), (880, 23128), (896, 22715), (944, 21560), (980, 20768), (1078, 18880), (1120, 18172), (1180, 17248), (1232, 16520), (1298, 15680), (1408, 14455), (1540, 13216), (1568, 12980), (1652, 12320), (1760, 11564), (1888, 10780), (1960, 10384), (2065, 9856), (2156, 9440), (2240, 9086), (2360, 8624), (2464, 8260), (2596, 7840), (2695, 7552), (2891, 7040), (3080, 6608), (3136, 6490), (3245, 6272), (3304, 6160), (3520, 5782), (3776, 5390), (3920, 5192), (4130, 4928), (4312, 4720), (4480, 4543)]