20399367

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1237}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 28523520

約数和(自身を除く): 8124153

約数列:

[1, 3, 23, 69, 239, 717, 1237, 3711, 5497, 16491, 28451, 85353, 295643, 886929, 6799789, 20399367]

約数ペア:

[(1, 20399367), (3, 6799789), (23, 886929), (69, 295643), (239, 85353), (717, 28451), (1237, 16491), (3711, 5497)]