20874756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248509}}^1$

素因数の和:248523

約数の個数: 24

約数和(自身を含む): 55666240

約数和(自身を除く): 34791484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248509, 497018, 745527, 994036, 1491054, 1739563, 2982108, 3479126, 5218689, 6958252, 10437378, 20874756]

約数ペア:

[(1, 20874756), (2, 10437378), (3, 6958252), (4, 5218689), (6, 3479126), (7, 2982108), (12, 1739563), (14, 1491054), (21, 994036), (28, 745527), (42, 497018), (84, 248509)]