20691636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246329}}^1$

素因数の和:246343

約数の個数: 24

約数和(自身を含む): 55177920

約数和(自身を除く): 34486284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246329, 492658, 738987, 985316, 1477974, 1724303, 2955948, 3448606, 5172909, 6897212, 10345818, 20691636]

約数ペア:

[(1, 20691636), (2, 10345818), (3, 6897212), (4, 5172909), (6, 3448606), (7, 2955948), (12, 1724303), (14, 1477974), (21, 985316), (28, 738987), (42, 492658), (84, 246329)]