20580042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{490001}}^1$

素因数の和:490013

約数の個数: 16

約数和(自身を含む): 47040192

約数和(自身を除く): 26460150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 490001, 980002, 1470003, 2940006, 3430007, 6860014, 10290021, 20580042]

約数ペア:

[(1, 20580042), (2, 10290021), (3, 6860014), (6, 3430007), (7, 2940006), (14, 1470003), (21, 980002), (42, 490001)]