20440518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{486679}}^1$

素因数の和:486691

約数の個数: 16

約数和(自身を含む): 46721280

約数和(自身を除く): 26280762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 486679, 973358, 1460037, 2920074, 3406753, 6813506, 10220259, 20440518]

約数ペア:

[(1, 20440518), (2, 10220259), (3, 6813506), (6, 3406753), (7, 2920074), (14, 1460037), (21, 973358), (42, 486679)]