9812020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3863}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 20772864

約数和(自身を除く): 10960844

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3863, 7726, 15452, 19315, 38630, 77260, 490601, 981202, 1962404, 2453005, 4906010, 9812020]

約数ペア:

[(1, 9812020), (2, 4906010), (4, 2453005), (5, 1962404), (10, 981202), (20, 490601), (127, 77260), (254, 38630), (508, 19315), (635, 15452), (1270, 7726), (2540, 3863)]