20881112

素因数分解:

$2^3\times 7^1\times {\mathrm{372877}}^1$

素因数の和:372890

約数の個数: 16

約数和(自身を含む): 44745360

約数和(自身を除く): 23864248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372877, 745754, 1491508, 2610139, 2983016, 5220278, 10440556, 20881112]

約数ペア:

[(1, 20881112), (2, 10440556), (4, 5220278), (7, 2983016), (8, 2610139), (14, 1491508), (28, 745754), (56, 372877)]