20456872

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12119}}^1$

素因数の和:12336

約数の個数: 16

約数和(自身を含む): 38541600

約数和(自身を除く): 18084728

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12119, 24238, 48476, 96952, 2557109, 5114218, 10228436, 20456872]

約数ペア:

[(1, 20456872), (2, 10228436), (4, 5114218), (8, 2557109), (211, 96952), (422, 48476), (844, 24238), (1688, 12119)]