20098467

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 18

約数和(自身を含む): 29512236

約数和(自身を除く): 9413769

約数列:

[1, 3, 9, 71, 213, 443, 639, 1329, 3987, 5041, 15123, 31453, 45369, 94359, 283077, 2233163, 6699489, 20098467]

約数ペア:

[(1, 20098467), (3, 6699489), (9, 2233163), (71, 283077), (213, 94359), (443, 45369), (639, 31453), (1329, 15123), (3987, 5041)]