20414324

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1103}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 40927488

約数和(自身を除く): 20513164

約数列:

[1, 2, 4, 7, 14, 28, 661, 1103, 1322, 2206, 2644, 4412, 4627, 7721, 9254, 15442, 18508, 30884, 729083, 1458166, 2916332, 5103581, 10207162, 20414324]

約数ペア:

[(1, 20414324), (2, 10207162), (4, 5103581), (7, 2916332), (14, 1458166), (28, 729083), (661, 30884), (1103, 18508), (1322, 15442), (2206, 9254), (2644, 7721), (4412, 4627)]