20104686

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17729}}^1$

素因数の和:17750

約数の個数: 40

約数和(自身を含む): 51487920

約数和(自身を除く): 31383234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17729, 35458, 53187, 106374, 124103, 159561, 248206, 319122, 372309, 478683, 744618, 957366, 1116927, 1436049, 2233854, 2872098, 3350781, 6701562, 10052343, 20104686]

約数ペア:

[(1, 20104686), (2, 10052343), (3, 6701562), (6, 3350781), (7, 2872098), (9, 2233854), (14, 1436049), (18, 1116927), (21, 957366), (27, 744618), (42, 478683), (54, 372309), (63, 319122), (81, 248206), (126, 159561), (162, 124103), (189, 106374), (378, 53187), (567, 35458), (1134, 17729)]