15660020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4057}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 33064584

約数和(自身を除く): 17404564

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4057, 8114, 16228, 20285, 40570, 81140, 783001, 1566002, 3132004, 3915005, 7830010, 15660020]

約数ペア:

[(1, 15660020), (2, 7830010), (4, 3915005), (5, 3132004), (10, 1566002), (20, 783001), (193, 81140), (386, 40570), (772, 20285), (965, 16228), (1930, 8114), (3860, 4057)]