20245455

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6163}}^1$

素因数の和:6247

約数の個数: 24

約数和(自身を含む): 35578608

約数和(自身を除く): 15333153

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6163, 18489, 30815, 55467, 92445, 277335, 449899, 1349697, 2249495, 4049091, 6748485, 20245455]

約数ペア:

[(1, 20245455), (3, 6748485), (5, 4049091), (9, 2249495), (15, 1349697), (45, 449899), (73, 277335), (219, 92445), (365, 55467), (657, 30815), (1095, 18489), (3285, 6163)]