20531546

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 16990246

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 281, 307, 562, 614, 1967, 2149, 3934, 4298, 4777, 5219, 9554, 10438, 33439, 36533, 66878, 73066, 86267, 172534, 603869, 1207738, 1466539, 2933078, 10265773, 20531546]

約数ペア:

[(1, 20531546), (2, 10265773), (7, 2933078), (14, 1466539), (17, 1207738), (34, 603869), (119, 172534), (238, 86267), (281, 73066), (307, 66878), (562, 36533), (614, 33439), (1967, 10438), (2149, 9554), (3934, 5219), (4298, 4777)]