20688752

素因数分解:

$2^4\times 7^1\times {\mathrm{184721}}^1$

素因数の和:184736

約数の個数: 20

約数和(自身を含む): 45811056

約数和(自身を除く): 25122304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184721, 369442, 738884, 1293047, 1477768, 2586094, 2955536, 5172188, 10344376, 20688752]

約数ペア:

[(1, 20688752), (2, 10344376), (4, 5172188), (7, 2955536), (8, 2586094), (14, 1477768), (16, 1293047), (28, 738884), (56, 369442), (112, 184721)]