221102198780

素因数分解:

$2^2\times 5^1\times {\mathrm{11055109939}}^1$

素因数の和:11055109948

約数の個数: 12

約数和(自身を含む): 464314617480

約数和(自身を除く): 243212418700

約数列:

[1, 2, 4, 5, 10, 20, 11055109939, 22110219878, 44220439756, 55275549695, 110551099390, 221102198780]

約数ペア:

[(1, 221102198780), (2, 110551099390), (4, 55275549695), (5, 44220439756), (10, 22110219878), (20, 11055109939)]