16720412

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{5167}}^1$

素因数の和:5980

約数の個数: 12

約数和(自身を含む): 29302560

約数和(自身を除く): 12582148

約数列:

[1, 2, 4, 809, 1618, 3236, 5167, 10334, 20668, 4180103, 8360206, 16720412]

約数ペア:

[(1, 16720412), (2, 8360206), (4, 4180103), (809, 20668), (1618, 10334), (3236, 5167)]