20648635

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19031}}^1$

素因数の和:19074

約数の個数: 16

約数和(自身を含む): 29233152

約数和(自身を除く): 8584517

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19031, 95155, 133217, 589961, 666085, 2949805, 4129727, 20648635]

約数ペア:

[(1, 20648635), (5, 4129727), (7, 2949805), (31, 666085), (35, 589961), (155, 133217), (217, 95155), (1085, 19031)]