20854536975

素因数分解:

$3^2\times 5^2\times {\mathrm{5281}}^1\times {\mathrm{17551}}^1$

素因数の和:22848

約数の個数: 36

約数和(自身を含む): 37361994592

約数和(自身を除く): 16507457617

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 5281, 15843, 17551, 26405, 47529, 52653, 79215, 87755, 132025, 157959, 237645, 263265, 396075, 438775, 789795, 1188225, 1316325, 3948975, 92686831, 278060493, 463434155, 834181479, 1390302465, 2317170775, 4170907395, 6951512325, 20854536975]

約数ペア:

[(1, 20854536975), (3, 6951512325), (5, 4170907395), (9, 2317170775), (15, 1390302465), (25, 834181479), (45, 463434155), (75, 278060493), (225, 92686831), (5281, 3948975), (15843, 1316325), (17551, 1188225), (26405, 789795), (47529, 438775), (52653, 396075), (79215, 263265), (87755, 237645), (132025, 157959)]