20316688

素因数分解:

$2^4\times 7^1\times {\mathrm{181399}}^1$

素因数の和:181414

約数の個数: 20

約数和(自身を含む): 44987200

約数和(自身を除く): 24670512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181399, 362798, 725596, 1269793, 1451192, 2539586, 2902384, 5079172, 10158344, 20316688]

約数ペア:

[(1, 20316688), (2, 10158344), (4, 5079172), (7, 2902384), (8, 2539586), (14, 1451192), (16, 1269793), (28, 725596), (56, 362798), (112, 181399)]