20130286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:648

約数の個数: 24

約数和(自身を含む): 33439392

約数和(自身を除く): 13309106

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 431, 862, 2123, 4246, 4741, 9482, 23353, 46706, 52151, 83183, 104302, 166366, 915013, 1830026, 10065143, 20130286]

約数ペア:

[(1, 20130286), (2, 10065143), (11, 1830026), (22, 915013), (121, 166366), (193, 104302), (242, 83183), (386, 52151), (431, 46706), (862, 23353), (2123, 9482), (4246, 4741)]