20809677

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11939}}^1$

素因数の和:12032

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 11285043

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11939, 35817, 83573, 250719, 990937, 2972811, 6936559, 20809677]

約数ペア:

[(1, 20809677), (3, 6936559), (7, 2972811), (21, 990937), (83, 250719), (249, 83573), (581, 35817), (1743, 11939)]