20715255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41849}}^1$

素因数の和:41871

約数の個数: 24

約数和(自身を含む): 39171600

約数和(自身を除く): 18456345

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41849, 125547, 209245, 376641, 460339, 627735, 1381017, 1883205, 2301695, 4143051, 6905085, 20715255]

約数ペア:

[(1, 20715255), (3, 6905085), (5, 4143051), (9, 2301695), (11, 1883205), (15, 1381017), (33, 627735), (45, 460339), (55, 376641), (99, 209245), (165, 125547), (495, 41849)]