20882128

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3943}}^1$

素因数の和:4282

約数の個数: 20

約数和(自身を含む): 40591648

約数和(自身を除く): 19709520

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3943, 5296, 7886, 15772, 31544, 63088, 1305133, 2610266, 5220532, 10441064, 20882128]

約数ペア:

[(1, 20882128), (2, 10441064), (4, 5220532), (8, 2610266), (16, 1305133), (331, 63088), (662, 31544), (1324, 15772), (2648, 7886), (3943, 5296)]