20593797

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3907}}^1$

素因数の和:4168

約数の個数: 16

約数和(自身を含む): 31514112

約数和(自身を除く): 10920315

約数列:

[1, 3, 7, 21, 251, 753, 1757, 3907, 5271, 11721, 27349, 82047, 980657, 2941971, 6864599, 20593797]

約数ペア:

[(1, 20593797), (3, 6864599), (7, 2941971), (21, 980657), (251, 82047), (753, 27349), (1757, 11721), (3907, 5271)]