20641322

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:554

約数の個数: 24

約数和(自身を含む): 33816204

約数和(自身を除く): 13174882

約数列:

[1, 2, 13, 26, 169, 173, 338, 346, 353, 706, 2249, 4498, 4589, 9178, 29237, 58474, 59657, 61069, 119314, 122138, 793897, 1587794, 10320661, 20641322]

約数ペア:

[(1, 20641322), (2, 10320661), (13, 1587794), (26, 793897), (169, 122138), (173, 119314), (338, 61069), (346, 59657), (353, 58474), (706, 29237), (2249, 9178), (4498, 4589)]