20516394

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{31957}}^1$

素因数の和:32069

約数の個数: 16

約数和(自身を含む): 41417568

約数和(自身を除く): 20901174

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 31957, 63914, 95871, 191742, 3419399, 6838798, 10258197, 20516394]

約数ペア:

[(1, 20516394), (2, 10258197), (3, 6838798), (6, 3419399), (107, 191742), (214, 95871), (321, 63914), (642, 31957)]