201961940

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{15277}}^1$

素因数の和:15947

約数の個数: 24

約数和(自身を含む): 424789512

約数和(自身を除く): 222827572

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 15277, 30554, 61108, 76385, 152770, 305540, 10098097, 20196194, 40392388, 50490485, 100980970, 201961940]

約数ペア:

[(1, 201961940), (2, 100980970), (4, 50490485), (5, 40392388), (10, 20196194), (20, 10098097), (661, 305540), (1322, 152770), (2644, 76385), (3305, 61108), (6610, 30554), (13220, 15277)]