20394748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1223}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 18675332

約数列:

[1, 2, 4, 11, 22, 44, 379, 758, 1223, 1516, 2446, 4169, 4892, 8338, 13453, 16676, 26906, 53812, 463517, 927034, 1854068, 5098687, 10197374, 20394748]

約数ペア:

[(1, 20394748), (2, 10197374), (4, 5098687), (11, 1854068), (22, 927034), (44, 463517), (379, 53812), (758, 26906), (1223, 16676), (1516, 13453), (2446, 8338), (4169, 4892)]