15720464

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4111}}^1$

素因数の和:4358

約数の個数: 20

約数和(自身を含む): 30593280

約数和(自身を除く): 14872816

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4111, 8222, 16444, 32888, 65776, 982529, 1965058, 3930116, 7860232, 15720464]

約数ペア:

[(1, 15720464), (2, 7860232), (4, 3930116), (8, 1965058), (16, 982529), (239, 65776), (478, 32888), (956, 16444), (1912, 8222), (3824, 4111)]