20455059

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 27734688

約数和(自身を除く): 7279629

約数列:

[1, 3, 137, 157, 317, 411, 471, 951, 21509, 43429, 49769, 64527, 130287, 149307, 6818353, 20455059]

約数ペア:

[(1, 20455059), (3, 6818353), (137, 149307), (157, 130287), (317, 64527), (411, 49769), (471, 43429), (951, 21509)]