20395564

素因数分解:

$2^2\times 7^2\times {\mathrm{104059}}^1$

素因数の和:104077

約数の個数: 18

約数和(自身を含む): 41519940

約数和(自身を除く): 21124376

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 104059, 208118, 416236, 728413, 1456826, 2913652, 5098891, 10197782, 20395564]

約数ペア:

[(1, 20395564), (2, 10197782), (4, 5098891), (7, 2913652), (14, 1456826), (28, 728413), (49, 416236), (98, 208118), (196, 104059)]