20711824

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9733}}^1$

素因数の和:9767

約数の個数: 40

約数和(自身を含む): 48280640

約数和(自身を除く): 27568816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9733, 19466, 38932, 68131, 77864, 136262, 155728, 184927, 272524, 369854, 545048, 739708, 1090096, 1294489, 1479416, 2588978, 2958832, 5177956, 10355912, 20711824]

約数ペア:

[(1, 20711824), (2, 10355912), (4, 5177956), (7, 2958832), (8, 2588978), (14, 1479416), (16, 1294489), (19, 1090096), (28, 739708), (38, 545048), (56, 369854), (76, 272524), (112, 184927), (133, 155728), (152, 136262), (266, 77864), (304, 68131), (532, 38932), (1064, 19466), (2128, 9733)]