20853972

素因数分解:

$2^2\times 3^2\times {\mathrm{579277}}^1$

素因数の和:579287

約数の個数: 18

約数和(自身を含む): 52714298

約数和(自身を除く): 31860326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 579277, 1158554, 1737831, 2317108, 3475662, 5213493, 6951324, 10426986, 20853972]

約数ペア:

[(1, 20853972), (2, 10426986), (3, 6951324), (4, 5213493), (6, 3475662), (9, 2317108), (12, 1737831), (18, 1158554), (36, 579277)]