20988184

素因数分解:

$2^3\times 7^1\times {\mathrm{374789}}^1$

素因数の和:374802

約数の個数: 16

約数和(自身を含む): 44974800

約数和(自身を除く): 23986616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374789, 749578, 1499156, 2623523, 2998312, 5247046, 10494092, 20988184]

約数ペア:

[(1, 20988184), (2, 10494092), (4, 5247046), (7, 2998312), (8, 2623523), (14, 1499156), (28, 749578), (56, 374789)]