20199665270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18531803}}^1$

素因数の和:18531919

約数の個数: 16

約数和(自身を含む): 36692971920

約数和(自身を除く): 16493306650

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18531803, 37063606, 92659015, 185318030, 2019966527, 4039933054, 10099832635, 20199665270]

約数ペア:

[(1, 20199665270), (2, 10099832635), (5, 4039933054), (10, 2019966527), (109, 185318030), (218, 92659015), (545, 37063606), (1090, 18531803)]