20684554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25411}}^1$

素因数の和:25461

約数の個数: 16

約数和(自身を含む): 34763616

約数和(自身を除く): 14079062

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25411, 50822, 279521, 559042, 940207, 1880414, 10342277, 20684554]

約数ペア:

[(1, 20684554), (2, 10342277), (11, 1880414), (22, 940207), (37, 559042), (74, 279521), (407, 50822), (814, 25411)]