20613604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{468491}}^1$

素因数の和:468506

約数の個数: 12

約数和(自身を含む): 39353328

約数和(自身を除く): 18739724

約数列:

[1, 2, 4, 11, 22, 44, 468491, 936982, 1873964, 5153401, 10306802, 20613604]

約数ペア:

[(1, 20613604), (2, 10306802), (4, 5153401), (11, 1873964), (22, 936982), (44, 468491)]