20470912

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 53268480

約数和(自身を除く): 32797568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 67, 77, 88, 112, 124, 128, 134, 154, 176, 217, 224, 248, 268, 308, 341, 352, 434, 448, 469, 496, 536, 616, 682, 704, 737, 868, 896, 938, 992, 1072, 1232, 1364, 1408, 1474, 1736, 1876, 1984, 2077, 2144, 2387, 2464, 2728, 2948, 3472, 3752, 3968, 4154, 4288, 4774, 4928, 5159, 5456, 5896, 6944, 7504, 8308, 8576, 9548, 9856, 10318, 10912, 11792, 13888, 14539, 15008, 16616, 19096, 20636, 21824, 22847, 23584, 27776, 29078, 30016, 33232, 38192, 41272, 43648, 45694, 47168, 58156, 60032, 66464, 76384, 82544, 91388, 94336, 116312, 132928, 152768, 159929, 165088, 182776, 232624, 265856, 305536, 319858, 330176, 365552, 465248, 639716, 660352, 731104, 930496, 1279432, 1462208, 1860992, 2558864, 2924416, 5117728, 10235456, 20470912]

約数ペア:

[(1, 20470912), (2, 10235456), (4, 5117728), (7, 2924416), (8, 2558864), (11, 1860992), (14, 1462208), (16, 1279432), (22, 930496), (28, 731104), (31, 660352), (32, 639716), (44, 465248), (56, 365552), (62, 330176), (64, 319858), (67, 305536), (77, 265856), (88, 232624), (112, 182776), (124, 165088), (128, 159929), (134, 152768), (154, 132928), (176, 116312), (217, 94336), (224, 91388), (248, 82544), (268, 76384), (308, 66464), (341, 60032), (352, 58156), (434, 47168), (448, 45694), (469, 43648), (496, 41272), (536, 38192), (616, 33232), (682, 30016), (704, 29078), (737, 27776), (868, 23584), (896, 22847), (938, 21824), (992, 20636), (1072, 19096), (1232, 16616), (1364, 15008), (1408, 14539), (1474, 13888), (1736, 11792), (1876, 10912), (1984, 10318), (2077, 9856), (2144, 9548), (2387, 8576), (2464, 8308), (2728, 7504), (2948, 6944), (3472, 5896), (3752, 5456), (3968, 5159), (4154, 4928), (4288, 4774)]