20407764639

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{128350721}}^1$

素因数の和:128350777

約数の個数: 8

約数和(自身を含む): 27723755952

約数和(自身を除く): 7315991313

約数列:

[1, 3, 53, 159, 128350721, 385052163, 6802588213, 20407764639]

約数ペア:

[(1, 20407764639), (3, 6802588213), (53, 385052163), (159, 128350721)]