20338518

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47743}}^1$

素因数の和:47819

約数の個数: 16

約数和(自身を含む): 41250816

約数和(自身を除く): 20912298

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47743, 95486, 143229, 286458, 3389753, 6779506, 10169259, 20338518]

約数ペア:

[(1, 20338518), (2, 10169259), (3, 6779506), (6, 3389753), (71, 286458), (142, 143229), (213, 95486), (426, 47743)]