20131077620

素因数分解:

$2^2\times 5^1\times {\mathrm{1006553881}}^1$

素因数の和:1006553890

約数の個数: 12

約数和(自身を含む): 42275263044

約数和(自身を除く): 22144185424

約数列:

[1, 2, 4, 5, 10, 20, 1006553881, 2013107762, 4026215524, 5032769405, 10065538810, 20131077620]

約数ペア:

[(1, 20131077620), (2, 10065538810), (4, 5032769405), (5, 4026215524), (10, 2013107762), (20, 1006553881)]