20161200057

素因数分解:

$3^1\times {\mathrm{643}}^1\times {\mathrm{1721}}^1\times {\mathrm{6073}}^1$

素因数の和:8440

約数の個数: 16

約数和(自身を含む): 26943486528

約数和(自身を除く): 6782286471

約数列:

[1, 3, 643, 1721, 1929, 5163, 6073, 18219, 1106603, 3319809, 3904939, 10451633, 11714817, 31354899, 6720400019, 20161200057]

約数ペア:

[(1, 20161200057), (3, 6720400019), (643, 31354899), (1721, 11714817), (1929, 10451633), (5163, 3904939), (6073, 3319809), (18219, 1106603)]