20885868

素因数分解:

$2^2\times 3^2\times {\mathrm{580163}}^1$

素因数の和:580173

約数の個数: 18

約数和(自身を含む): 52794924

約数和(自身を除く): 31909056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580163, 1160326, 1740489, 2320652, 3480978, 5221467, 6961956, 10442934, 20885868]

約数ペア:

[(1, 20885868), (2, 10442934), (3, 6961956), (4, 5221467), (6, 3480978), (9, 2320652), (12, 1740489), (18, 1160326), (36, 580163)]