20503281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1823}}^1$

素因数の和:2012

約数の個数: 16

約数和(自身を含む): 28717056

約数和(自身を除く): 8213775

約数列:

[1, 3, 23, 69, 163, 489, 1823, 3749, 5469, 11247, 41929, 125787, 297149, 891447, 6834427, 20503281]

約数ペア:

[(1, 20503281), (3, 6834427), (23, 891447), (69, 297149), (163, 125787), (489, 41929), (1823, 11247), (3749, 5469)]