16920872

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{1721}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 31770900

約数和(自身を除く): 14850028

約数列:

[1, 2, 4, 8, 1229, 1721, 2458, 3442, 4916, 6884, 9832, 13768, 2115109, 4230218, 8460436, 16920872]

約数ペア:

[(1, 16920872), (2, 8460436), (4, 4230218), (8, 2115109), (1229, 13768), (1721, 9832), (2458, 6884), (3442, 4916)]