20370545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3967}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 26664960

約数和(自身を除く): 6294415

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3967, 5135, 19835, 51571, 257855, 313393, 1566965, 4074109, 20370545]

約数ペア:

[(1, 20370545), (5, 4074109), (13, 1566965), (65, 313393), (79, 257855), (395, 51571), (1027, 19835), (3967, 5135)]