20906210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160817}}^1$

素因数の和:160837

約数の個数: 16

約数和(自身を含む): 40526136

約数和(自身を除く): 19619926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160817, 321634, 804085, 1608170, 2090621, 4181242, 10453105, 20906210]

約数ペア:

[(1, 20906210), (2, 10453105), (5, 4181242), (10, 2090621), (13, 1608170), (26, 804085), (65, 321634), (130, 160817)]