20528128

素因数分解:

$2^{10}\times {\mathrm{20047}}^1$

素因数の和:20067

約数の個数: 22

約数和(自身を含む): 41038256

約数和(自身を除く): 20510128

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20047, 40094, 80188, 160376, 320752, 641504, 1283008, 2566016, 5132032, 10264064, 20528128]

約数ペア:

[(1, 20528128), (2, 10264064), (4, 5132032), (8, 2566016), (16, 1283008), (32, 641504), (64, 320752), (128, 160376), (256, 80188), (512, 40094), (1024, 20047)]