20219288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 39560400

約数和(自身を除く): 19341112

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1109, 2218, 2279, 4436, 4558, 8872, 9116, 18232, 47687, 58777, 95374, 117554, 190748, 235108, 381496, 470216, 2527411, 5054822, 10109644, 20219288]

約数ペア:

[(1, 20219288), (2, 10109644), (4, 5054822), (8, 2527411), (43, 470216), (53, 381496), (86, 235108), (106, 190748), (172, 117554), (212, 95374), (344, 58777), (424, 47687), (1109, 18232), (2218, 9116), (2279, 8872), (4436, 4558)]