20700009

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{69697}}^1$

素因数の和:69717

約数の個数: 16

約数和(自身を含む): 33455040

約数和(自身を除く): 12755031

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 69697, 209091, 627273, 766667, 1881819, 2300001, 6900003, 20700009]

約数ペア:

[(1, 20700009), (3, 6900003), (9, 2300001), (11, 1881819), (27, 766667), (33, 627273), (99, 209091), (297, 69697)]