20445964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66383}}^1$

素因数の和:66405

約数の個数: 24

約数和(自身を含む): 44610048

約数和(自身を除く): 24164084

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66383, 132766, 265532, 464681, 730213, 929362, 1460426, 1858724, 2920852, 5111491, 10222982, 20445964]

約数ペア:

[(1, 20445964), (2, 10222982), (4, 5111491), (7, 2920852), (11, 1858724), (14, 1460426), (22, 929362), (28, 730213), (44, 464681), (77, 265532), (154, 132766), (308, 66383)]