20909589021

素因数分解:

$3^3\times {\mathrm{229}}^1\times {\mathrm{3381787}}^1$

素因数の和:3382025

約数の個数: 16

約数和(自身を含む): 31112449600

約数和(自身を除く): 10202860579

約数列:

[1, 3, 9, 27, 229, 687, 2061, 6183, 3381787, 10145361, 30436083, 91308249, 774429223, 2323287669, 6969863007, 20909589021]

約数ペア:

[(1, 20909589021), (3, 6969863007), (9, 2323287669), (27, 774429223), (229, 91308249), (687, 30436083), (2061, 10145361), (6183, 3381787)]