20179239

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 7382361

約数列:

[1, 3, 59, 173, 177, 519, 659, 1977, 10207, 30621, 38881, 114007, 116643, 342021, 6726413, 20179239]

約数ペア:

[(1, 20179239), (3, 6726413), (59, 342021), (173, 116643), (177, 114007), (519, 38881), (659, 30621), (1977, 10207)]