20956866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{498973}}^1$

素因数の和:498985

約数の個数: 16

約数和(自身を含む): 47901504

約数和(自身を除く): 26944638

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 498973, 997946, 1496919, 2993838, 3492811, 6985622, 10478433, 20956866]

約数ペア:

[(1, 20956866), (2, 10478433), (3, 6985622), (6, 3492811), (7, 2993838), (14, 1496919), (21, 997946), (42, 498973)]