20697028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2719}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 19058492

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2719, 3806, 5438, 7612, 10876, 29909, 59818, 119636, 470387, 940774, 1881548, 5174257, 10348514, 20697028]

約数ペア:

[(1, 20697028), (2, 10348514), (4, 5174257), (11, 1881548), (22, 940774), (44, 470387), (173, 119636), (346, 59818), (692, 29909), (1903, 10876), (2719, 7612), (3806, 5438)]