20615128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62851}}^1$

素因数の和:62898

約数の個数: 16

約数和(自身を含む): 39596760

約数和(自身を除く): 18981632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62851, 125702, 251404, 502808, 2576891, 5153782, 10307564, 20615128]

約数ペア:

[(1, 20615128), (2, 10307564), (4, 5153782), (8, 2576891), (41, 502808), (82, 251404), (164, 125702), (328, 62851)]