20651982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264769}}^1$

素因数の和:264787

約数の個数: 16

約数和(自身を含む): 44481360

約数和(自身を除く): 23829378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264769, 529538, 794307, 1588614, 3441997, 6883994, 10325991, 20651982]

約数ペア:

[(1, 20651982), (2, 10325991), (3, 6883994), (6, 3441997), (13, 1588614), (26, 794307), (39, 529538), (78, 264769)]