20548085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 25888896

約数和(自身を除く): 5340811

約数列:

[1, 5, 23, 115, 197, 907, 985, 4531, 4535, 20861, 22655, 104305, 178679, 893395, 4109617, 20548085]

約数ペア:

[(1, 20548085), (5, 4109617), (23, 893395), (115, 178679), (197, 104305), (907, 22655), (985, 20861), (4531, 4535)]