20590576

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2621}}^1$

素因数の和:3120

約数の個数: 20

約数和(自身を含む): 39990744

約数和(自身を除く): 19400168

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2621, 3928, 5242, 7856, 10484, 20968, 41936, 1286911, 2573822, 5147644, 10295288, 20590576]

約数ペア:

[(1, 20590576), (2, 10295288), (4, 5147644), (8, 2573822), (16, 1286911), (491, 41936), (982, 20968), (1964, 10484), (2621, 7856), (3928, 5242)]