20475216906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{47087}}^1$

素因数の和:47275

約数の個数: 48

約数和(自身を含む): 43121683584

約数和(自身を除く): 22646466678

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 529, 822, 1058, 1587, 3151, 3174, 6302, 9453, 18906, 47087, 72473, 94174, 141261, 144946, 217419, 282522, 434838, 1083001, 2166002, 3249003, 6450919, 6498006, 12901838, 19352757, 24909023, 38705514, 49818046, 74727069, 148371137, 149454138, 296742274, 445113411, 890226822, 3412536151, 6825072302, 10237608453, 20475216906]

約数ペア:

[(1, 20475216906), (2, 10237608453), (3, 6825072302), (6, 3412536151), (23, 890226822), (46, 445113411), (69, 296742274), (137, 149454138), (138, 148371137), (274, 74727069), (411, 49818046), (529, 38705514), (822, 24909023), (1058, 19352757), (1587, 12901838), (3151, 6498006), (3174, 6450919), (6302, 3249003), (9453, 2166002), (18906, 1083001), (47087, 434838), (72473, 282522), (94174, 217419), (141261, 144946)]