20529455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10501}}^1$

素因数の和:10546

約数の個数: 16

約数和(自身を含む): 27221184

約数和(自身を除く): 6691729

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10501, 52505, 178517, 241523, 892585, 1207615, 4105891, 20529455]

約数ペア:

[(1, 20529455), (5, 4105891), (17, 1207615), (23, 892585), (85, 241523), (115, 178517), (391, 52505), (1955, 10501)]