20539806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489043}}^1$

素因数の和:489055

約数の個数: 16

約数和(自身を含む): 46948224

約数和(自身を除く): 26408418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489043, 978086, 1467129, 2934258, 3423301, 6846602, 10269903, 20539806]

約数ペア:

[(1, 20539806), (2, 10269903), (3, 6846602), (6, 3423301), (7, 2934258), (14, 1467129), (21, 978086), (42, 489043)]