20072871

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24509}}^1$

素因数の和:24535

約数の個数: 24

約数和(自身を含む): 35686560

約数和(自身を除く): 15613689

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24509, 73527, 171563, 220581, 318617, 514689, 955851, 1544067, 2230319, 2867553, 6690957, 20072871]

約数ペア:

[(1, 20072871), (3, 6690957), (7, 2867553), (9, 2230319), (13, 1544067), (21, 955851), (39, 514689), (63, 318617), (91, 220581), (117, 171563), (273, 73527), (819, 24509)]