20284677

素因数分解:

$3^2\times 7^3\times {\mathrm{6571}}^1$

素因数の和:6598

約数の個数: 24

約数和(自身を含む): 34174400

約数和(自身を除く): 13889723

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6571, 19713, 45997, 59139, 137991, 321979, 413973, 965937, 2253853, 2897811, 6761559, 20284677]

約数ペア:

[(1, 20284677), (3, 6761559), (7, 2897811), (9, 2253853), (21, 965937), (49, 413973), (63, 321979), (147, 137991), (343, 59139), (441, 45997), (1029, 19713), (3087, 6571)]