20881812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248593}}^1$

素因数の和:248607

約数の個数: 24

約数和(自身を含む): 55685056

約数和(自身を除く): 34803244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248593, 497186, 745779, 994372, 1491558, 1740151, 2983116, 3480302, 5220453, 6960604, 10440906, 20881812]

約数ペア:

[(1, 20881812), (2, 10440906), (3, 6960604), (4, 5220453), (6, 3480302), (7, 2983116), (12, 1740151), (14, 1491558), (21, 994372), (28, 745779), (42, 497186), (84, 248593)]