20837531

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1067

約数の個数: 18

約数和(自身を含む): 24825780

約数和(自身を除く): 3988249

約数列:

[1, 11, 13, 121, 143, 169, 1019, 1573, 1859, 11209, 13247, 20449, 123299, 145717, 172211, 1602887, 1894321, 20837531]

約数ペア:

[(1, 20837531), (11, 1894321), (13, 1602887), (121, 172211), (143, 145717), (169, 123299), (1019, 20449), (1573, 13247), (1859, 11209)]