20209539

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13183}}^1$

素因数の和:13266

約数の個数: 16

約数和(自身を含む): 31219712

約数和(自身を除く): 11010173

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13183, 39549, 92281, 276843, 962359, 2887077, 6736513, 20209539]

約数ペア:

[(1, 20209539), (3, 6736513), (7, 2887077), (21, 962359), (73, 276843), (219, 92281), (511, 39549), (1533, 13183)]