20702836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67217}}^1$

素因数の和:67239

約数の個数: 24

約数和(自身を含む): 45170496

約数和(自身を除く): 24467660

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67217, 134434, 268868, 470519, 739387, 941038, 1478774, 1882076, 2957548, 5175709, 10351418, 20702836]

約数ペア:

[(1, 20702836), (2, 10351418), (4, 5175709), (7, 2957548), (11, 1882076), (14, 1478774), (22, 941038), (28, 739387), (44, 470519), (77, 268868), (154, 134434), (308, 67217)]