20475608

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{10709}}^1$

素因数の和:10954

約数の個数: 16

約数和(自身を含む): 38556000

約数和(自身を除く): 18080392

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 10709, 21418, 42836, 85672, 2559451, 5118902, 10237804, 20475608]

約数ペア:

[(1, 20475608), (2, 10237804), (4, 5118902), (8, 2559451), (239, 85672), (478, 42836), (956, 21418), (1912, 10709)]