20651514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264763}}^1$

素因数の和:264781

約数の個数: 16

約数和(自身を含む): 44480352

約数和(自身を除く): 23828838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264763, 529526, 794289, 1588578, 3441919, 6883838, 10325757, 20651514]

約数ペア:

[(1, 20651514), (2, 10325757), (3, 6883838), (6, 3441919), (13, 1588578), (26, 794289), (39, 529526), (78, 264763)]