20127896

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4943}}^1$

素因数の和:5458

約数の個数: 16

約数和(自身を含む): 37821600

約数和(自身を除く): 17693704

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4943, 9886, 19772, 39544, 2515987, 5031974, 10063948, 20127896]

約数ペア:

[(1, 20127896), (2, 10063948), (4, 5031974), (8, 2515987), (509, 39544), (1018, 19772), (2036, 9886), (4072, 4943)]