20608929

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 32853600

約数和(自身を除く): 12244671

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2339, 2937, 7017, 8811, 21051, 25729, 77187, 208171, 231561, 624513, 1873539, 2289881, 6869643, 20608929]

約数ペア:

[(1, 20608929), (3, 6869643), (9, 2289881), (11, 1873539), (33, 624513), (89, 231561), (99, 208171), (267, 77187), (801, 25729), (979, 21051), (2339, 8811), (2937, 7017)]