11720816

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{2099}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 22785000

約数和(自身を除く): 11064184

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2099, 2792, 4198, 5584, 8396, 16792, 33584, 732551, 1465102, 2930204, 5860408, 11720816]

約数ペア:

[(1, 11720816), (2, 5860408), (4, 2930204), (8, 1465102), (16, 732551), (349, 33584), (698, 16792), (1396, 8396), (2099, 5584), (2792, 4198)]