20686568

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16061}}^1$

素因数の和:16097

約数の個数: 32

約数和(自身を含む): 46258560

約数和(自身を除く): 25571992

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16061, 32122, 64244, 112427, 128488, 224854, 369403, 449708, 738806, 899416, 1477612, 2585821, 2955224, 5171642, 10343284, 20686568]

約数ペア:

[(1, 20686568), (2, 10343284), (4, 5171642), (7, 2955224), (8, 2585821), (14, 1477612), (23, 899416), (28, 738806), (46, 449708), (56, 369403), (92, 224854), (161, 128488), (184, 112427), (322, 64244), (644, 32122), (1288, 16061)]