20512419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8369}}^1$

素因数の和:8434

約数の個数: 16

約数和(自身を含む): 29462400

約数和(自身を除く): 8949981

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8369, 25107, 159011, 359867, 477033, 1079601, 6837473, 20512419]

約数ペア:

[(1, 20512419), (3, 6837473), (19, 1079601), (43, 477033), (57, 359867), (129, 159011), (817, 25107), (2451, 8369)]