20928396

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12547}}^1$

素因数の和:12693

約数の個数: 24

約数和(自身を含む): 49188160

約数和(自身を除く): 28259764

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12547, 25094, 37641, 50188, 75282, 150564, 1744033, 3488066, 5232099, 6976132, 10464198, 20928396]

約数ペア:

[(1, 20928396), (2, 10464198), (3, 6976132), (4, 5232099), (6, 3488066), (12, 1744033), (139, 150564), (278, 75282), (417, 50188), (556, 37641), (834, 25094), (1668, 12547)]