20785055317

素因数分解:

${\mathrm{13}}^2\times {\mathrm{683}}^1\times {\mathrm{180071}}^1$

素因数の和:180780

約数の個数: 12

約数和(自身を含む): 22539972384

約数和(自身を除く): 1754917067

約数列:

[1, 13, 169, 683, 8879, 115427, 180071, 2340923, 30431999, 122988493, 1598850409, 20785055317]

約数ペア:

[(1, 20785055317), (13, 1598850409), (169, 122988493), (683, 30431999), (8879, 2340923), (115427, 180071)]