20686764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246271}}^1$

素因数の和:246285

約数の個数: 24

約数和(自身を含む): 55164928

約数和(自身を除く): 34478164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246271, 492542, 738813, 985084, 1477626, 1723897, 2955252, 3447794, 5171691, 6895588, 10343382, 20686764]

約数ペア:

[(1, 20686764), (2, 10343382), (3, 6895588), (4, 5171691), (6, 3447794), (7, 2955252), (12, 1723897), (14, 1477626), (21, 985084), (28, 738813), (42, 492542), (84, 246271)]