20970639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3343}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 11894193

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3343, 6273, 10029, 30087, 56831, 137063, 170493, 411189, 511479, 1233567, 2330071, 6990213, 20970639]

約数ペア:

[(1, 20970639), (3, 6990213), (9, 2330071), (17, 1233567), (41, 511479), (51, 411189), (123, 170493), (153, 137063), (369, 56831), (697, 30087), (2091, 10029), (3343, 6273)]