20839024

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5189}}^1$

素因数の和:5448

約数の個数: 20

約数和(自身を含む): 40544280

約数和(自身を除く): 19705256

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5189, 10378, 20756, 41512, 83024, 1302439, 2604878, 5209756, 10419512, 20839024]

約数ペア:

[(1, 20839024), (2, 10419512), (4, 5209756), (8, 2604878), (16, 1302439), (251, 83024), (502, 41512), (1004, 20756), (2008, 10378), (4016, 5189)]