20806617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14419}}^1$

素因数の和:14472

約数の個数: 16

約数和(自身を含む): 30685760

約数和(自身を除く): 9879143

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14419, 43257, 187447, 533503, 562341, 1600509, 6935539, 20806617]

約数ペア:

[(1, 20806617), (3, 6935539), (13, 1600509), (37, 562341), (39, 533503), (111, 187447), (481, 43257), (1443, 14419)]