20563829

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 25807320

約数和(自身を除く): 5243491

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 769, 1573, 2057, 2431, 8459, 9997, 13073, 26741, 93049, 109967, 143803, 169949, 1209637, 1581833, 1869439, 20563829]

約数ペア:

[(1, 20563829), (11, 1869439), (13, 1581833), (17, 1209637), (121, 169949), (143, 143803), (187, 109967), (221, 93049), (769, 26741), (1573, 13073), (2057, 9997), (2431, 8459)]