20371792

素因数分解:

$2^4\times 7^1\times {\mathrm{181891}}^1$

素因数の和:181906

約数の個数: 20

約数和(自身を含む): 45109216

約数和(自身を除く): 24737424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181891, 363782, 727564, 1273237, 1455128, 2546474, 2910256, 5092948, 10185896, 20371792]

約数ペア:

[(1, 20371792), (2, 10185896), (4, 5092948), (7, 2910256), (8, 2546474), (14, 1455128), (16, 1273237), (28, 727564), (56, 363782), (112, 181891)]