20508078721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2087}}^1\times {\mathrm{2243}}^1$

素因数の和:4680

約数の個数: 16

約数和(自身を含む): 22171653504

約数和(自身を除く): 1663574783

約数列:

[1, 13, 337, 2087, 2243, 4381, 27131, 29159, 703319, 755891, 4681141, 9143147, 9826583, 60854833, 1577544517, 20508078721]

約数ペア:

[(1, 20508078721), (13, 1577544517), (337, 60854833), (2087, 9826583), (2243, 9143147), (4381, 4681141), (27131, 755891), (29159, 703319)]