20057787

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13033}}^1$

素因数の和:13064

約数の個数: 20

約数和(自身を含む): 31542280

約数和(自身を除く): 11484493

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13033, 39099, 117297, 247627, 351891, 742881, 1055673, 2228643, 6685929, 20057787]

約数ペア:

[(1, 20057787), (3, 6685929), (9, 2228643), (19, 1055673), (27, 742881), (57, 351891), (81, 247627), (171, 117297), (513, 39099), (1539, 13033)]