20887239

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7624761

約数列:

[1, 3, 59, 177, 199, 593, 597, 1779, 11741, 34987, 35223, 104961, 118007, 354021, 6962413, 20887239]

約数ペア:

[(1, 20887239), (3, 6962413), (59, 354021), (177, 118007), (199, 104961), (593, 35223), (597, 34987), (1779, 11741)]