20379627

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10631}}^1$

素因数の和:10711

約数の個数: 16

約数和(自身を含む): 30620160

約数和(自身を除く): 10240533

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10631, 31893, 95679, 287037, 754801, 2264403, 6793209, 20379627]

約数ペア:

[(1, 20379627), (3, 6793209), (9, 2264403), (27, 754801), (71, 287037), (213, 95679), (639, 31893), (1917, 10631)]