20898918

素因数分解:

$2^1\times 3^3\times {\mathrm{387017}}^1$

素因数の和:387028

約数の個数: 16

約数和(自身を含む): 46442160

約数和(自身を除く): 25543242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 387017, 774034, 1161051, 2322102, 3483153, 6966306, 10449459, 20898918]

約数ペア:

[(1, 20898918), (2, 10449459), (3, 6966306), (6, 3483153), (9, 2322102), (18, 1161051), (27, 774034), (54, 387017)]