20559171

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 30415104

約数和(自身を除く): 9855933

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1031, 1173, 3093, 6647, 17527, 19941, 23713, 52581, 71139, 297959, 403121, 893877, 1209363, 6853057, 20559171]

約数ペア:

[(1, 20559171), (3, 6853057), (17, 1209363), (23, 893877), (51, 403121), (69, 297959), (289, 71139), (391, 52581), (867, 23713), (1031, 19941), (1173, 17527), (3093, 6647)]