20319035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 6368197

約数列:

[1, 5, 11, 55, 571, 647, 2855, 3235, 6281, 7117, 31405, 35585, 369437, 1847185, 4063807, 20319035]

約数ペア:

[(1, 20319035), (5, 4063807), (11, 1847185), (55, 369437), (571, 35585), (647, 31405), (2855, 7117), (3235, 6281)]