20669404

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6899}}^1$

素因数の和:7017

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 21061796

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6899, 13798, 27596, 48293, 96586, 193172, 738193, 1476386, 2952772, 5167351, 10334702, 20669404]

約数ペア:

[(1, 20669404), (2, 10334702), (4, 5167351), (7, 2952772), (14, 1476386), (28, 738193), (107, 193172), (214, 96586), (428, 48293), (749, 27596), (1498, 13798), (2996, 6899)]