20646992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41627}}^1$

素因数の和:41666

約数の個数: 20

約数和(自身を含む): 41294976

約数和(自身を除く): 20647984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41627, 83254, 166508, 333016, 666032, 1290437, 2580874, 5161748, 10323496, 20646992]

約数ペア:

[(1, 20646992), (2, 10323496), (4, 5161748), (8, 2580874), (16, 1290437), (31, 666032), (62, 333016), (124, 166508), (248, 83254), (496, 41627)]