20157898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2017}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 31965120

約数和(自身を除く): 11807222

約数列:

[1, 2, 19, 38, 263, 526, 2017, 4034, 4997, 9994, 38323, 76646, 530471, 1060942, 10078949, 20157898]

約数ペア:

[(1, 20157898), (2, 10078949), (19, 1060942), (38, 530471), (263, 76646), (526, 38323), (2017, 9994), (4034, 4997)]