20020861

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3264

約数の個数: 12

約数和(自身を含む): 23474880

約数和(自身を除く): 3454019

約数列:

[1, 7, 49, 131, 917, 3119, 6419, 21833, 152831, 408589, 2860123, 20020861]

約数ペア:

[(1, 20020861), (7, 2860123), (49, 408589), (131, 152831), (917, 21833), (3119, 6419)]