20356868

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3767}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 40935552

約数和(自身を除く): 20578684

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3767, 5404, 7534, 15068, 26369, 52738, 105476, 727031, 1454062, 2908124, 5089217, 10178434, 20356868]

約数ペア:

[(1, 20356868), (2, 10178434), (4, 5089217), (7, 2908124), (14, 1454062), (28, 727031), (193, 105476), (386, 52738), (772, 26369), (1351, 15068), (2702, 7534), (3767, 5404)]