20184801

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 33481728

約数和(自身を除く): 13296927

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 691, 749, 1391, 2073, 2247, 4173, 4837, 8983, 9737, 14511, 26949, 29211, 62881, 73937, 188643, 221811, 517559, 961181, 1552677, 2883543, 6728267, 20184801]

約数ペア:

[(1, 20184801), (3, 6728267), (7, 2883543), (13, 1552677), (21, 961181), (39, 517559), (91, 221811), (107, 188643), (273, 73937), (321, 62881), (691, 29211), (749, 26949), (1391, 14511), (2073, 9737), (2247, 8983), (4173, 4837)]