20128015911

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{2293}}^1\times {\mathrm{18637}}^1$

素因数の和:21090

約数の個数: 16

約数和(自身を含む): 27021521504

約数和(自身を除く): 6893505593

約数列:

[1, 3, 157, 471, 2293, 6879, 18637, 55911, 360001, 1080003, 2926009, 8778027, 42734641, 128203923, 6709338637, 20128015911]

約数ペア:

[(1, 20128015911), (3, 6709338637), (157, 128203923), (471, 42734641), (2293, 8778027), (6879, 2926009), (18637, 1080003), (55911, 360001)]