20201006480

素因数分解:

$2^4\times 5^1\times {\mathrm{252512581}}^1$

素因数の和:252512594

約数の個数: 20

約数和(自身を含む): 46967340252

約数和(自身を除く): 26766333772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252512581, 505025162, 1010050324, 1262562905, 2020100648, 2525125810, 4040201296, 5050251620, 10100503240, 20201006480]

約数ペア:

[(1, 20201006480), (2, 10100503240), (4, 5050251620), (5, 4040201296), (8, 2525125810), (10, 2020100648), (16, 1262562905), (20, 1010050324), (40, 505025162), (80, 252512581)]