20884815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66301}}^1$

素因数の和:66319

約数の個数: 24

約数和(自身を含む): 41372448

約数和(自身を除く): 20487633

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66301, 198903, 331505, 464107, 596709, 994515, 1392321, 2320535, 2983545, 4176963, 6961605, 20884815]

約数ペア:

[(1, 20884815), (3, 6961605), (5, 4176963), (7, 2983545), (9, 2320535), (15, 1392321), (21, 994515), (35, 596709), (45, 464107), (63, 331505), (105, 198903), (315, 66301)]