20248425

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2950

約数の個数: 36

約数和(自身を含む): 37449984

約数和(自身を除く): 17201559

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2903, 6975, 8709, 14515, 26127, 43545, 72575, 89993, 130635, 217725, 269979, 449965, 653175, 809937, 1349895, 2249825, 4049685, 6749475, 20248425]

約数ペア:

[(1, 20248425), (3, 6749475), (5, 4049685), (9, 2249825), (15, 1349895), (25, 809937), (31, 653175), (45, 449965), (75, 269979), (93, 217725), (155, 130635), (225, 89993), (279, 72575), (465, 43545), (775, 26127), (1395, 14515), (2325, 8709), (2903, 6975)]