20257486587

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19237879}}^1$

素因数の和:19237904

約数の個数: 20

約数和(自身を含む): 32588968720

約数和(自身を除く): 12331482133

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19237879, 57713637, 173140911, 250092427, 519422733, 750277281, 1558268199, 2250831843, 6752495529, 20257486587]

約数ペア:

[(1, 20257486587), (3, 6752495529), (9, 2250831843), (13, 1558268199), (27, 750277281), (39, 519422733), (81, 250092427), (117, 173140911), (351, 57713637), (1053, 19237879)]