20477644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2087}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 18810164

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2087, 2453, 4174, 4906, 8348, 9812, 22957, 45914, 91828, 465401, 930802, 1861604, 5119411, 10238822, 20477644]

約数ペア:

[(1, 20477644), (2, 10238822), (4, 5119411), (11, 1861604), (22, 930802), (44, 465401), (223, 91828), (446, 45914), (892, 22957), (2087, 9812), (2453, 8348), (4174, 4906)]