20400306

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{200003}}^1$

素因数の和:200025

約数の個数: 16

約数和(自身を含む): 43200864

約数和(自身を除く): 22800558

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 200003, 400006, 600009, 1200018, 3400051, 6800102, 10200153, 20400306]

約数ペア:

[(1, 20400306), (2, 10200153), (3, 6800102), (6, 3400051), (17, 1200018), (34, 600009), (51, 400006), (102, 200003)]