20358016

素因数分解:

$2^7\times 7^1\times {\mathrm{22721}}^1$

素因数の和:22742

約数の個数: 32

約数和(自身を含む): 46352880

約数和(自身を除く): 25994864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22721, 45442, 90884, 159047, 181768, 318094, 363536, 636188, 727072, 1272376, 1454144, 2544752, 2908288, 5089504, 10179008, 20358016]

約数ペア:

[(1, 20358016), (2, 10179008), (4, 5089504), (7, 2908288), (8, 2544752), (14, 1454144), (16, 1272376), (28, 727072), (32, 636188), (56, 363536), (64, 318094), (112, 181768), (128, 159047), (224, 90884), (448, 45442), (896, 22721)]