20406627

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39779}}^1$

素因数の和:39807

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 11417373

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39779, 119337, 358011, 755801, 1074033, 2267403, 6802209, 20406627]

約数ペア:

[(1, 20406627), (3, 6802209), (9, 2267403), (19, 1074033), (27, 755801), (57, 358011), (171, 119337), (513, 39779)]