20981436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249779}}^1$

素因数の和:249793

約数の個数: 24

約数和(自身を含む): 55950720

約数和(自身を除く): 34969284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249779, 499558, 749337, 999116, 1498674, 1748453, 2997348, 3496906, 5245359, 6993812, 10490718, 20981436]

約数ペア:

[(1, 20981436), (2, 10490718), (3, 6993812), (4, 5245359), (6, 3496906), (7, 2997348), (12, 1748453), (14, 1498674), (21, 999116), (28, 749337), (42, 499558), (84, 249779)]