20599040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 216

約数和(自身を含む): 65244480

約数和(自身を除く): 44645440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 121, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 242, 256, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 484, 532, 560, 605, 608, 616, 640, 665, 704, 760, 770, 836, 847, 880, 896, 968, 1045, 1064, 1120, 1210, 1216, 1232, 1280, 1330, 1408, 1463, 1520, 1540, 1672, 1694, 1760, 1792, 1936, 2090, 2128, 2240, 2299, 2420, 2432, 2464, 2660, 2816, 2926, 3040, 3080, 3344, 3388, 3520, 3872, 4180, 4235, 4256, 4480, 4598, 4840, 4864, 4928, 5320, 5852, 6080, 6160, 6688, 6776, 7040, 7315, 7744, 8360, 8470, 8512, 8960, 9196, 9680, 9856, 10640, 11495, 11704, 12160, 12320, 13376, 13552, 14080, 14630, 15488, 16093, 16720, 16940, 17024, 18392, 19360, 19712, 21280, 22990, 23408, 24320, 24640, 26752, 27104, 29260, 30976, 32186, 33440, 33880, 34048, 36784, 38720, 42560, 45980, 46816, 49280, 53504, 54208, 58520, 64372, 66880, 67760, 73568, 77440, 80465, 85120, 91960, 93632, 98560, 108416, 117040, 128744, 133760, 135520, 147136, 154880, 160930, 170240, 183920, 187264, 216832, 234080, 257488, 267520, 271040, 294272, 321860, 367840, 374528, 468160, 514976, 542080, 588544, 643720, 735680, 936320, 1029952, 1084160, 1287440, 1471360, 1872640, 2059904, 2574880, 2942720, 4119808, 5149760, 10299520, 20599040]

約数ペア:

[(1, 20599040), (2, 10299520), (4, 5149760), (5, 4119808), (7, 2942720), (8, 2574880), (10, 2059904), (11, 1872640), (14, 1471360), (16, 1287440), (19, 1084160), (20, 1029952), (22, 936320), (28, 735680), (32, 643720), (35, 588544), (38, 542080), (40, 514976), (44, 468160), (55, 374528), (56, 367840), (64, 321860), (70, 294272), (76, 271040), (77, 267520), (80, 257488), (88, 234080), (95, 216832), (110, 187264), (112, 183920), (121, 170240), (128, 160930), (133, 154880), (140, 147136), (152, 135520), (154, 133760), (160, 128744), (176, 117040), (190, 108416), (209, 98560), (220, 93632), (224, 91960), (242, 85120), (256, 80465), (266, 77440), (280, 73568), (304, 67760), (308, 66880), (320, 64372), (352, 58520), (380, 54208), (385, 53504), (418, 49280), (440, 46816), (448, 45980), (484, 42560), (532, 38720), (560, 36784), (605, 34048), (608, 33880), (616, 33440), (640, 32186), (665, 30976), (704, 29260), (760, 27104), (770, 26752), (836, 24640), (847, 24320), (880, 23408), (896, 22990), (968, 21280), (1045, 19712), (1064, 19360), (1120, 18392), (1210, 17024), (1216, 16940), (1232, 16720), (1280, 16093), (1330, 15488), (1408, 14630), (1463, 14080), (1520, 13552), (1540, 13376), (1672, 12320), (1694, 12160), (1760, 11704), (1792, 11495), (1936, 10640), (2090, 9856), (2128, 9680), (2240, 9196), (2299, 8960), (2420, 8512), (2432, 8470), (2464, 8360), (2660, 7744), (2816, 7315), (2926, 7040), (3040, 6776), (3080, 6688), (3344, 6160), (3388, 6080), (3520, 5852), (3872, 5320), (4180, 4928), (4235, 4864), (4256, 4840), (4480, 4598)]