20186974

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 30931056

約数和(自身を除く): 10744082

約数列:

[1, 2, 61, 122, 337, 491, 674, 982, 20557, 29951, 41114, 59902, 165467, 330934, 10093487, 20186974]

約数ペア:

[(1, 20186974), (2, 10093487), (61, 330934), (122, 165467), (337, 59902), (491, 41114), (674, 29951), (982, 20557)]