20199997336

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2189939}}^1$

素因数の和:2191098

約数の個数: 16

約数和(自身を含む): 37907861400

約数和(自身を除く): 17707864064

約数列:

[1, 2, 4, 8, 1153, 2306, 4612, 9224, 2189939, 4379878, 8759756, 17519512, 2524999667, 5049999334, 10099998668, 20199997336]

約数ペア:

[(1, 20199997336), (2, 10099998668), (4, 5049999334), (8, 2524999667), (1153, 17519512), (2306, 8759756), (4612, 4379878), (9224, 2189939)]