20123951212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{295940459}}^1$

素因数の和:295940480

約数の個数: 12

約数和(自身を含む): 37288497960

約数和(自身を除く): 17164546748

約数列:

[1, 2, 4, 17, 34, 68, 295940459, 591880918, 1183761836, 5030987803, 10061975606, 20123951212]

約数ペア:

[(1, 20123951212), (2, 10061975606), (4, 5030987803), (17, 1183761836), (34, 591880918), (68, 295940459)]