20386210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156817}}^1$

素因数の和:156837

約数の個数: 16

約数和(自身を含む): 39518136

約数和(自身を除く): 19131926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156817, 313634, 784085, 1568170, 2038621, 4077242, 10193105, 20386210]

約数ペア:

[(1, 20386210), (2, 10193105), (5, 4077242), (10, 2038621), (13, 1568170), (26, 784085), (65, 313634), (130, 156817)]