20576907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 32161584

約数和(自身を除く): 11584677

約数列:

[1, 3, 9, 13, 39, 117, 397, 443, 1191, 1329, 3573, 3987, 5161, 5759, 15483, 17277, 46449, 51831, 175871, 527613, 1582839, 2286323, 6858969, 20576907]

約数ペア:

[(1, 20576907), (3, 6858969), (9, 2286323), (13, 1582839), (39, 527613), (117, 175871), (397, 51831), (443, 46449), (1191, 17277), (1329, 15483), (3573, 5759), (3987, 5161)]