20199428373

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{397259}}^1$

素因数の和:398276

約数の個数: 16

約数和(自身を含む): 28545514560

約数和(自身を除く): 8346086187

約数列:

[1, 3, 17, 51, 997, 2991, 16949, 50847, 397259, 1191777, 6753403, 20260209, 396067223, 1188201669, 6733142791, 20199428373]

約数ペア:

[(1, 20199428373), (3, 6733142791), (17, 1188201669), (51, 396067223), (997, 20260209), (2991, 6753403), (16949, 1191777), (50847, 397259)]