20111804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4993}}^1$

素因数の和:5069

約数の個数: 24

約数和(自身を含む): 37754640

約数和(自身を除く): 17642836

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4993, 9986, 19972, 94867, 189734, 264629, 379468, 529258, 1058516, 5027951, 10055902, 20111804]

約数ペア:

[(1, 20111804), (2, 10055902), (4, 5027951), (19, 1058516), (38, 529258), (53, 379468), (76, 264629), (106, 189734), (212, 94867), (1007, 19972), (2014, 9986), (4028, 4993)]