20970293894

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{86654107}}^1$

素因数の和:86654131

約数の個数: 12

約数和(自身を含む): 34574989092

約数和(自身を除く): 13604695198

約数列:

[1, 2, 11, 22, 121, 242, 86654107, 173308214, 953195177, 1906390354, 10485146947, 20970293894]

約数ペア:

[(1, 20970293894), (2, 10485146947), (11, 1906390354), (22, 953195177), (121, 173308214), (242, 86654107)]