20880636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248579}}^1$

素因数の和:248593

約数の個数: 24

約数和(自身を含む): 55681920

約数和(自身を除く): 34801284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248579, 497158, 745737, 994316, 1491474, 1740053, 2982948, 3480106, 5220159, 6960212, 10440318, 20880636]

約数ペア:

[(1, 20880636), (2, 10440318), (3, 6960212), (4, 5220159), (6, 3480106), (7, 2982948), (12, 1740053), (14, 1491474), (21, 994316), (28, 745737), (42, 497158), (84, 248579)]