20752693

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 24770880

約数和(自身を除く): 4018187

約数列:

[1, 13, 19, 23, 169, 247, 281, 299, 437, 3211, 3653, 3887, 5339, 5681, 6463, 47489, 69407, 73853, 84019, 122797, 902291, 1092247, 1596361, 20752693]

約数ペア:

[(1, 20752693), (13, 1596361), (19, 1092247), (23, 902291), (169, 122797), (247, 84019), (281, 73853), (299, 69407), (437, 47489), (3211, 6463), (3653, 5681), (3887, 5339)]