20286728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32933}}^1$

素因数の和:32957

約数の個数: 32

約数和(自身を含む): 47424960

約数和(自身を除く): 27138232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 32933, 65866, 131732, 230531, 263464, 362263, 461062, 724526, 922124, 1449052, 1844248, 2535841, 2898104, 5071682, 10143364, 20286728]

約数ペア:

[(1, 20286728), (2, 10143364), (4, 5071682), (7, 2898104), (8, 2535841), (11, 1844248), (14, 1449052), (22, 922124), (28, 724526), (44, 461062), (56, 362263), (77, 263464), (88, 230531), (154, 131732), (308, 65866), (616, 32933)]