20643042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491501}}^1$

素因数の和:491513

約数の個数: 16

約数和(自身を含む): 47184192

約数和(自身を除く): 26541150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491501, 983002, 1474503, 2949006, 3440507, 6881014, 10321521, 20643042]

約数ペア:

[(1, 20643042), (2, 10321521), (3, 6881014), (6, 3440507), (7, 2949006), (14, 1474503), (21, 983002), (42, 491501)]