20881232

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2129}}^1$

素因数の和:2750

約数の個数: 20

約数和(自身を含む): 40542420

約数和(自身を除く): 19661188

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2129, 2452, 4258, 4904, 8516, 9808, 17032, 34064, 1305077, 2610154, 5220308, 10440616, 20881232]

約数ペア:

[(1, 20881232), (2, 10440616), (4, 5220308), (8, 2610154), (16, 1305077), (613, 34064), (1226, 17032), (2129, 9808), (2452, 8516), (4258, 4904)]