20774529

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10837}}^1$

素因数の和:10917

約数の個数: 16

約数和(自身を含む): 31213440

約数和(自身を除く): 10438911

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10837, 32511, 97533, 292599, 769427, 2308281, 6924843, 20774529]

約数ペア:

[(1, 20774529), (3, 6924843), (9, 2308281), (27, 769427), (71, 292599), (213, 97533), (639, 32511), (1917, 10837)]