20388026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5209}}^1$

素因数の和:5333

約数の個数: 16

約数和(自身を含む): 32510400

約数和(自身を除く): 12122374

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5209, 10418, 98971, 197942, 536527, 1073054, 10194013, 20388026]

約数ペア:

[(1, 20388026), (2, 10194013), (19, 1073054), (38, 536527), (103, 197942), (206, 98971), (1957, 10418), (3914, 5209)]