20471626

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76961}}^1$

素因数の和:76989

約数の個数: 16

約数和(自身を含む): 36941760

約数和(自身を除く): 16470134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76961, 153922, 538727, 1077454, 1462259, 2924518, 10235813, 20471626]

約数ペア:

[(1, 20471626), (2, 10235813), (7, 2924518), (14, 1462259), (19, 1077454), (38, 538727), (133, 153922), (266, 76961)]