20197173

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1657}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 28650240

約数和(自身を除く): 8453067

約数列:

[1, 3, 17, 51, 239, 717, 1657, 4063, 4971, 12189, 28169, 84507, 396023, 1188069, 6732391, 20197173]

約数ペア:

[(1, 20197173), (3, 6732391), (17, 1188069), (51, 396023), (239, 84507), (717, 28169), (1657, 12189), (4063, 4971)]