20161216

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{3119}}^1$

素因数の和:3232

約数の個数: 28

約数和(自身を含む): 40416480

約数和(自身を除く): 20255264

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3119, 3232, 6238, 6464, 12476, 24952, 49904, 99808, 199616, 315019, 630038, 1260076, 2520152, 5040304, 10080608, 20161216]

約数ペア:

[(1, 20161216), (2, 10080608), (4, 5040304), (8, 2520152), (16, 1260076), (32, 630038), (64, 315019), (101, 199616), (202, 99808), (404, 49904), (808, 24952), (1616, 12476), (3119, 6464), (3232, 6238)]