20199231376

素因数分解:

$2^4\times {\mathrm{35531}}^2$

素因数の和:71070

約数の個数: 15

約数和(自身を含む): 39137112283

約数和(自身を除く): 18937880907

約数列:

[1, 2, 4, 8, 16, 35531, 71062, 142124, 284248, 568496, 1262451961, 2524903922, 5049807844, 10099615688, 20199231376]

約数ペア:

[(1, 20199231376), (2, 10099615688), (4, 5049807844), (8, 2524903922), (16, 1262451961), (35531, 568496), (71062, 284248)]