20081296336

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1898761}}^1$

素因数の和:1899430

約数の個数: 20

約数和(自身を含む): 38966393764

約数和(自身を除く): 18885097428

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 1898761, 3797522, 7595044, 15190088, 30380176, 1255081021, 2510162042, 5020324084, 10040648168, 20081296336]

約数ペア:

[(1, 20081296336), (2, 10040648168), (4, 5020324084), (8, 2510162042), (16, 1255081021), (661, 30380176), (1322, 15190088), (2644, 7595044), (5288, 3797522), (10576, 1898761)]