20485839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1789}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 29900160

約数和(自身を除く): 9414321

約数列:

[1, 3, 11, 33, 347, 1041, 1789, 3817, 5367, 11451, 19679, 59037, 620783, 1862349, 6828613, 20485839]

約数ペア:

[(1, 20485839), (3, 6828613), (11, 1862349), (33, 620783), (347, 59037), (1041, 19679), (1789, 11451), (3817, 5367)]