20515379

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 2501581

約数列:

[1, 17, 23, 71, 391, 739, 1207, 1633, 12563, 16997, 27761, 52469, 288949, 891973, 1206787, 20515379]

約数ペア:

[(1, 20515379), (17, 1206787), (23, 891973), (71, 288949), (391, 52469), (739, 27761), (1207, 16997), (1633, 12563)]