20813254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135151}}^1$

素因数の和:135171

約数の個数: 16

約数和(自身を含む): 38923776

約数和(自身を除く): 18110522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135151, 270302, 946057, 1486661, 1892114, 2973322, 10406627, 20813254]

約数ペア:

[(1, 20813254), (2, 10406627), (7, 2973322), (11, 1892114), (14, 1486661), (22, 946057), (77, 270302), (154, 135151)]