20388718

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2753}}^1$

素因数の和:2808

約数の個数: 24

約数和(自身を含む): 36551088

約数和(自身を除く): 16162370

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2753, 3703, 5506, 7406, 19271, 38542, 63319, 126638, 443233, 886466, 1456337, 2912674, 10194359, 20388718]

約数ペア:

[(1, 20388718), (2, 10194359), (7, 2912674), (14, 1456337), (23, 886466), (46, 443233), (161, 126638), (322, 63319), (529, 38542), (1058, 19271), (2753, 7406), (3703, 5506)]