20809339990

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1597033}}^1$

素因数の和:1598343

約数の個数: 16

約数和(自身を含む): 37485582048

約数和(自身を除く): 16676242058

約数列:

[1, 2, 5, 10, 1303, 2606, 6515, 13030, 1597033, 3194066, 7985165, 15970330, 2080933999, 4161867998, 10404669995, 20809339990]

約数ペア:

[(1, 20809339990), (2, 10404669995), (5, 4161867998), (10, 2080933999), (1303, 15970330), (2606, 7985165), (6515, 3194066), (13030, 1597033)]