20988217

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2598983

約数列:

[1, 17, 19, 181, 323, 359, 3077, 3439, 6103, 6821, 58463, 64979, 115957, 1104643, 1234601, 20988217]

約数ペア:

[(1, 20988217), (17, 1234601), (19, 1104643), (181, 115957), (323, 64979), (359, 58463), (3077, 6821), (3439, 6103)]