20342894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71129}}^1$

素因数の和:71155

約数の個数: 16

約数和(自身を含む): 35849520

約数和(自身を除く): 15506626

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71129, 142258, 782419, 924677, 1564838, 1849354, 10171447, 20342894]

約数ペア:

[(1, 20342894), (2, 10171447), (11, 1849354), (13, 1564838), (22, 924677), (26, 782419), (143, 142258), (286, 71129)]