20637512

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7841}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 45169920

約数和(自身を除く): 24532408

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7841, 15682, 31364, 54887, 62728, 109774, 219548, 368527, 439096, 737054, 1474108, 2579689, 2948216, 5159378, 10318756, 20637512]

約数ペア:

[(1, 20637512), (2, 10318756), (4, 5159378), (7, 2948216), (8, 2579689), (14, 1474108), (28, 737054), (47, 439096), (56, 368527), (94, 219548), (188, 109774), (329, 62728), (376, 54887), (658, 31364), (1316, 15682), (2632, 7841)]