20653929

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 32120712

約数和(自身を除く): 11466783

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2213, 3111, 6639, 9333, 19917, 37621, 112863, 134993, 338589, 404979, 1214937, 2294881, 6884643, 20653929]

約数ペア:

[(1, 20653929), (3, 6884643), (9, 2294881), (17, 1214937), (51, 404979), (61, 338589), (153, 134993), (183, 112863), (549, 37621), (1037, 19917), (2213, 9333), (3111, 6639)]