20457922

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 31150080

約数和(自身を除く): 10692158

約数列:

[1, 2, 127, 239, 254, 337, 478, 674, 30353, 42799, 60706, 80543, 85598, 161086, 10228961, 20457922]

約数ペア:

[(1, 20457922), (2, 10228961), (127, 161086), (239, 85598), (254, 80543), (337, 60706), (478, 42799), (674, 30353)]