20298261

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 27630720

約数和(自身を除く): 7332459

約数列:

[1, 3, 71, 213, 233, 409, 699, 1227, 16543, 29039, 49629, 87117, 95297, 285891, 6766087, 20298261]

約数ペア:

[(1, 20298261), (3, 6766087), (71, 285891), (213, 95297), (233, 87117), (409, 49629), (699, 29039), (1227, 16543)]