20754680

素因数分解:

$2^3\times 5^1\times {\mathrm{518867}}^1$

素因数の和:518878

約数の個数: 16

約数和(自身を含む): 46698120

約数和(自身を除く): 25943440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 518867, 1037734, 2075468, 2594335, 4150936, 5188670, 10377340, 20754680]

約数ペア:

[(1, 20754680), (2, 10377340), (4, 5188670), (5, 4150936), (8, 2594335), (10, 2075468), (20, 1037734), (40, 518867)]