20808897863

素因数分解:

${\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1427}}^1\times {\mathrm{2153}}^1$

素因数の和:4114

約数の個数: 16

約数和(自身を含む): 22478764896

約数和(自身を除く): 1669867033

約数列:

[1, 13, 521, 1427, 2153, 6773, 18551, 27989, 743467, 1121713, 3072331, 9665071, 14582269, 39940303, 1600684451, 20808897863]

約数ペア:

[(1, 20808897863), (13, 1600684451), (521, 39940303), (1427, 14582269), (2153, 9665071), (6773, 3072331), (18551, 1121713), (27989, 743467)]