20293749

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 33913152

約数和(自身を除く): 13619403

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3881, 5229, 11643, 27167, 34929, 81501, 244503, 322123, 966369, 2254861, 2899107, 6764583, 20293749]

約数ペア:

[(1, 20293749), (3, 6764583), (7, 2899107), (9, 2254861), (21, 966369), (63, 322123), (83, 244503), (249, 81501), (581, 34929), (747, 27167), (1743, 11643), (3881, 5229)]