20453797

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3079}}^1$

素因数の和:3172

約数の個数: 16

約数和(自身を含む): 25527040

約数和(自身を除く): 5073243

約数列:

[1, 7, 13, 73, 91, 511, 949, 3079, 6643, 21553, 40027, 224767, 280189, 1573369, 2921971, 20453797]

約数ペア:

[(1, 20453797), (7, 2921971), (13, 1573369), (73, 280189), (91, 224767), (511, 40027), (949, 21553), (3079, 6643)]