20804730057

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{692729}}^1$

素因数の和:692853

約数の個数: 24

約数和(自身を含む): 31122973440

約数和(自身を除く): 10318243383

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 3337, 10011, 30033, 692729, 2078187, 6234561, 32558263, 49183759, 97674789, 147551277, 293024367, 442653831, 2311636673, 6934910019, 20804730057]

約数ペア:

[(1, 20804730057), (3, 6934910019), (9, 2311636673), (47, 442653831), (71, 293024367), (141, 147551277), (213, 97674789), (423, 49183759), (639, 32558263), (3337, 6234561), (10011, 2078187), (30033, 692729)]