20509300518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{488316679}}^1$

素因数の和:488316691

約数の個数: 16

約数和(自身を含む): 46878401280

約数和(自身を除く): 26369100762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 488316679, 976633358, 1464950037, 2929900074, 3418216753, 6836433506, 10254650259, 20509300518]

約数ペア:

[(1, 20509300518), (2, 10254650259), (3, 6836433506), (6, 3418216753), (7, 2929900074), (14, 1464950037), (21, 976633358), (42, 488316679)]