20596905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9341}}^1$

素因数の和:9366

約数の個数: 36

約数和(自身を含む): 41534532

約数和(自身を除く): 20937627

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9341, 28023, 46705, 65387, 84069, 140115, 196161, 326935, 420345, 457709, 588483, 980805, 1373127, 2288545, 2942415, 4119381, 6865635, 20596905]

約数ペア:

[(1, 20596905), (3, 6865635), (5, 4119381), (7, 2942415), (9, 2288545), (15, 1373127), (21, 980805), (35, 588483), (45, 457709), (49, 420345), (63, 326935), (105, 196161), (147, 140115), (245, 84069), (315, 65387), (441, 46705), (735, 28023), (2205, 9341)]