20729032

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6661}}^1$

素因数の和:7056

約数の個数: 16

約数和(自身を含む): 38972700

約数和(自身を除く): 18243668

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6661, 13322, 26644, 53288, 2591129, 5182258, 10364516, 20729032]

約数ペア:

[(1, 20729032), (2, 10364516), (4, 5182258), (8, 2591129), (389, 53288), (778, 26644), (1556, 13322), (3112, 6661)]