20173572

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1123}}^1$

素因数の和:1632

約数の個数: 36

約数和(自身を含む): 51142000

約数和(自身を除く): 30968428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1123, 1497, 1996, 2246, 2994, 3369, 4491, 4492, 5988, 6738, 8982, 10107, 13476, 17964, 20214, 40428, 560377, 1120754, 1681131, 2241508, 3362262, 5043393, 6724524, 10086786, 20173572]

約数ペア:

[(1, 20173572), (2, 10086786), (3, 6724524), (4, 5043393), (6, 3362262), (9, 2241508), (12, 1681131), (18, 1120754), (36, 560377), (499, 40428), (998, 20214), (1123, 17964), (1497, 13476), (1996, 10107), (2246, 8982), (2994, 6738), (3369, 5988), (4491, 4492)]