20937476

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1973}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 42006720

約数和(自身を除く): 21069244

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1973, 2653, 3946, 5306, 7892, 10612, 13811, 27622, 55244, 747767, 1495534, 2991068, 5234369, 10468738, 20937476]

約数ペア:

[(1, 20937476), (2, 10468738), (4, 5234369), (7, 2991068), (14, 1495534), (28, 747767), (379, 55244), (758, 27622), (1516, 13811), (1973, 10612), (2653, 7892), (3946, 5306)]