20942068

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{911}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 41981184

約数和(自身を除く): 21039116

約数列:

[1, 2, 4, 7, 14, 28, 821, 911, 1642, 1822, 3284, 3644, 5747, 6377, 11494, 12754, 22988, 25508, 747931, 1495862, 2991724, 5235517, 10471034, 20942068]

約数ペア:

[(1, 20942068), (2, 10471034), (4, 5235517), (7, 2991724), (14, 1495862), (28, 747931), (821, 25508), (911, 22988), (1642, 12754), (1822, 11494), (3284, 6377), (3644, 5747)]