20128526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2237}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 33032880

約数和(自身を除く): 12904354

約数列:

[1, 2, 11, 22, 409, 818, 2237, 4474, 4499, 8998, 24607, 49214, 914933, 1829866, 10064263, 20128526]

約数ペア:

[(1, 20128526), (2, 10064263), (11, 1829866), (22, 914933), (409, 49214), (818, 24607), (2237, 8998), (4474, 4499)]