20709791

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 23355360

約数和(自身を除く): 2645569

約数列:

[1, 17, 19, 97, 323, 661, 1649, 1843, 11237, 12559, 31331, 64117, 213503, 1089989, 1218223, 20709791]

約数ペア:

[(1, 20709791), (17, 1218223), (19, 1089989), (97, 213503), (323, 64117), (661, 31331), (1649, 12559), (1843, 11237)]