20207888

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2851}}^1$

素因数の和:3302

約数の個数: 20

約数和(自身を含む): 39254928

約数和(自身を除く): 19047040

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2851, 3544, 5702, 7088, 11404, 22808, 45616, 1262993, 2525986, 5051972, 10103944, 20207888]

約数ペア:

[(1, 20207888), (2, 10103944), (4, 5051972), (8, 2525986), (16, 1262993), (443, 45616), (886, 22808), (1772, 11404), (2851, 7088), (3544, 5702)]