20826681

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 28629120

約数和(自身を除く): 7802439

約数列:

[1, 3, 61, 73, 183, 219, 1559, 4453, 4677, 13359, 95099, 113807, 285297, 341421, 6942227, 20826681]

約数ペア:

[(1, 20826681), (3, 6942227), (61, 341421), (73, 285297), (183, 113807), (219, 95099), (1559, 13359), (4453, 4677)]