20217961785

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3929633}}^1$

素因数の和:3929662

約数の個数: 32

約数和(自身を含む): 37724486400

約数和(自身を除く): 17506524615

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 3929633, 11788899, 19648165, 27507431, 58944495, 82522293, 137537155, 192552017, 412611465, 577656051, 962760085, 1347864119, 2888280255, 4043592357, 6739320595, 20217961785]

約数ペア:

[(1, 20217961785), (3, 6739320595), (5, 4043592357), (7, 2888280255), (15, 1347864119), (21, 962760085), (35, 577656051), (49, 412611465), (105, 192552017), (147, 137537155), (245, 82522293), (343, 58944495), (735, 27507431), (1029, 19648165), (1715, 11788899), (5145, 3929633)]