20284664

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19251976

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 263, 311, 526, 622, 1052, 1244, 2104, 2488, 8153, 9641, 16306, 19282, 32612, 38564, 65224, 77128, 81793, 163586, 327172, 654344, 2535583, 5071166, 10142332, 20284664]

約数ペア:

[(1, 20284664), (2, 10142332), (4, 5071166), (8, 2535583), (31, 654344), (62, 327172), (124, 163586), (248, 81793), (263, 77128), (311, 65224), (526, 38564), (622, 32612), (1052, 19282), (1244, 16306), (2104, 9641), (2488, 8153)]