20848143

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4139}}^1$

素因数の和:4238

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 8562417

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4139, 5037, 12417, 95197, 285591, 302147, 906441, 6949381, 20848143]

約数ペア:

[(1, 20848143), (3, 6949381), (23, 906441), (69, 302147), (73, 285591), (219, 95197), (1679, 12417), (4139, 5037)]