20528013

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 10461939

約数列:

[1, 3, 11, 33, 53, 97, 121, 159, 291, 363, 583, 1067, 1331, 1749, 3201, 3993, 5141, 6413, 11737, 15423, 19239, 35211, 56551, 70543, 129107, 169653, 211629, 387321, 622061, 1866183, 6842671, 20528013]

約数ペア:

[(1, 20528013), (3, 6842671), (11, 1866183), (33, 622061), (53, 387321), (97, 211629), (121, 169653), (159, 129107), (291, 70543), (363, 56551), (583, 35211), (1067, 19239), (1331, 15423), (1749, 11737), (3201, 6413), (3993, 5141)]