20295471

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10859}}^1$

素因数の和:10958

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 10981329

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10859, 32577, 76013, 228039, 966451, 2899353, 6765157, 20295471]

約数ペア:

[(1, 20295471), (3, 6765157), (7, 2899353), (21, 966451), (89, 228039), (267, 76013), (623, 32577), (1869, 10859)]