20807540024

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36632993}}^1$

素因数の和:36633070

約数の個数: 16

約数和(自身を含む): 39563633520

約数和(自身を除く): 18756093496

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36632993, 73265986, 146531972, 293063944, 2600942503, 5201885006, 10403770012, 20807540024]

約数ペア:

[(1, 20807540024), (2, 10403770012), (4, 5201885006), (8, 2600942503), (71, 293063944), (142, 146531972), (284, 73265986), (568, 36632993)]