20706220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24077}}^1$

素因数の和:24129

約数の個数: 24

約数和(自身を含む): 44496144

約数和(自身を除く): 23789924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24077, 48154, 96308, 120385, 240770, 481540, 1035311, 2070622, 4141244, 5176555, 10353110, 20706220]

約数ペア:

[(1, 20706220), (2, 10353110), (4, 5176555), (5, 4141244), (10, 2070622), (20, 1035311), (43, 481540), (86, 240770), (172, 120385), (215, 96308), (430, 48154), (860, 24077)]