20403083519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193451}}^1$

素因数の和:193551

約数の個数: 32

約数和(自身を含む): 26866613760

約数和(自身を除く): 6463530241

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 427, 793, 1159, 1729, 5551, 8113, 15067, 105469, 193451, 1354157, 2514863, 3675569, 11800511, 17604041, 25728983, 47782397, 82603577, 153406643, 224209709, 334476779, 1073846501, 1569467963, 2914726217, 20403083519]

約数ペア:

[(1, 20403083519), (7, 2914726217), (13, 1569467963), (19, 1073846501), (61, 334476779), (91, 224209709), (133, 153406643), (247, 82603577), (427, 47782397), (793, 25728983), (1159, 17604041), (1729, 11800511), (5551, 3675569), (8113, 2514863), (15067, 1354157), (105469, 193451)]