20338418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2903}}^1$

素因数の和:3049

約数の個数: 16

約数和(自身を含む): 31781376

約数和(自身を除く): 11442958

約数列:

[1, 2, 31, 62, 113, 226, 2903, 3503, 5806, 7006, 89993, 179986, 328039, 656078, 10169209, 20338418]

約数ペア:

[(1, 20338418), (2, 10169209), (31, 656078), (62, 328039), (113, 179986), (226, 89993), (2903, 7006), (3503, 5806)]