20845692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82721}}^1$

素因数の和:82738

約数の個数: 36

約数和(自身を含む): 60221616

約数和(自身を除く): 39375924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82721, 165442, 248163, 330884, 496326, 579047, 744489, 992652, 1158094, 1488978, 1737141, 2316188, 2977956, 3474282, 5211423, 6948564, 10422846, 20845692]

約数ペア:

[(1, 20845692), (2, 10422846), (3, 6948564), (4, 5211423), (6, 3474282), (7, 2977956), (9, 2316188), (12, 1737141), (14, 1488978), (18, 1158094), (21, 992652), (28, 744489), (36, 579047), (42, 496326), (63, 330884), (84, 248163), (126, 165442), (252, 82721)]