19900770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663359}}^1$

素因数の和:663369

約数の個数: 16

約数和(自身を含む): 47761920

約数和(自身を除く): 27861150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663359, 1326718, 1990077, 3316795, 3980154, 6633590, 9950385, 19900770]

約数ペア:

[(1, 19900770), (2, 9950385), (3, 6633590), (5, 3980154), (6, 3316795), (10, 1990077), (15, 1326718), (30, 663359)]