20796777

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{5101}}^1$

素因数の和:5261

約数の個数: 16

約数和(自身を含む): 31020160

約数和(自身を除く): 10223383

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 5101, 15303, 45909, 137727, 770251, 2310753, 6932259, 20796777]

約数ペア:

[(1, 20796777), (3, 6932259), (9, 2310753), (27, 770251), (151, 137727), (453, 45909), (1359, 15303), (4077, 5101)]