20880345

素因数分解:

$3^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1327}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 33465600

約数和(自身を除く): 12585255

約数列:

[1, 3, 5, 15, 1049, 1327, 3147, 3981, 5245, 6635, 15735, 19905, 1392023, 4176069, 6960115, 20880345]

約数ペア:

[(1, 20880345), (3, 6960115), (5, 4176069), (15, 1392023), (1049, 19905), (1327, 15735), (3147, 6635), (3981, 5245)]