20145871288

素因数分解:

$2^3\times {\mathrm{5683}}^1\times {\mathrm{443117}}^1$

素因数の和:448806

約数の個数: 16

約数和(自身を含む): 37780240680

約数和(自身を除く): 17634369392

約数列:

[1, 2, 4, 8, 5683, 11366, 22732, 45464, 443117, 886234, 1772468, 3544936, 2518233911, 5036467822, 10072935644, 20145871288]

約数ペア:

[(1, 20145871288), (2, 10072935644), (4, 5036467822), (8, 2518233911), (5683, 3544936), (11366, 1772468), (22732, 886234), (45464, 443117)]