20218173

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4127}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 28532736

約数和(自身を除く): 8314563

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4127, 4899, 12381, 94921, 284763, 293017, 879051, 6739391, 20218173]

約数ペア:

[(1, 20218173), (3, 6739391), (23, 879051), (69, 293017), (71, 284763), (213, 94921), (1633, 12381), (4127, 4899)]