20670715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{653}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 26808768

約数和(自身を除く): 6138053

約数列:

[1, 5, 13, 65, 487, 653, 2435, 3265, 6331, 8489, 31655, 42445, 318011, 1590055, 4134143, 20670715]

約数ペア:

[(1, 20670715), (5, 4134143), (13, 1590055), (65, 318011), (487, 42445), (653, 31655), (2435, 8489), (3265, 6331)]