20015768

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47207}}^1$

素因数の和:47266

約数の個数: 16

約数和(自身を含む): 38238480

約数和(自身を除く): 18222712

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47207, 94414, 188828, 377656, 2501971, 5003942, 10007884, 20015768]

約数ペア:

[(1, 20015768), (2, 10007884), (4, 5003942), (8, 2501971), (53, 377656), (106, 188828), (212, 94414), (424, 47207)]