20326977

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 12937023

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 769, 801, 979, 2307, 2403, 2937, 6921, 8459, 8811, 20763, 25377, 26433, 68441, 76131, 205323, 228393, 615969, 752851, 1847907, 2258553, 6775659, 20326977]

約数ペア:

[(1, 20326977), (3, 6775659), (9, 2258553), (11, 1847907), (27, 752851), (33, 615969), (89, 228393), (99, 205323), (267, 76131), (297, 68441), (769, 26433), (801, 25377), (979, 20763), (2307, 8811), (2403, 8459), (2937, 6921)]