20862218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7499}}^1$

素因数の和:7621

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 13157782

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7499, 14998, 97487, 194974, 802393, 1604786, 10431109, 20862218]

約数ペア:

[(1, 20862218), (2, 10431109), (13, 1604786), (26, 802393), (107, 194974), (214, 97487), (1391, 14998), (2782, 7499)]