20881336

素因数分解:

$2^3\times 7^1\times {\mathrm{372881}}^1$

素因数の和:372894

約数の個数: 16

約数和(自身を含む): 44745840

約数和(自身を除く): 23864504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372881, 745762, 1491524, 2610167, 2983048, 5220334, 10440668, 20881336]

約数ペア:

[(1, 20881336), (2, 10440668), (4, 5220334), (7, 2983048), (8, 2610167), (14, 1491524), (28, 745762), (56, 372881)]