20545204

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 37110528

約数和(自身を除く): 16565324

約数列:

[1, 2, 4, 47, 94, 103, 188, 206, 412, 1061, 2122, 4244, 4841, 9682, 19364, 49867, 99734, 109283, 199468, 218566, 437132, 5136301, 10272602, 20545204]

約数ペア:

[(1, 20545204), (2, 10272602), (4, 5136301), (47, 437132), (94, 218566), (103, 199468), (188, 109283), (206, 99734), (412, 49867), (1061, 19364), (2122, 9682), (4244, 4841)]