20840466

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80777}}^1$

素因数の和:80825

約数の個数: 16

約数和(自身を含む): 42650784

約数和(自身を除く): 21810318

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80777, 161554, 242331, 484662, 3473411, 6946822, 10420233, 20840466]

約数ペア:

[(1, 20840466), (2, 10420233), (3, 6946822), (6, 3473411), (43, 484662), (86, 242331), (129, 161554), (258, 80777)]