20199808317

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{1303}}^1\times {\mathrm{30577}}^1$

素因数の和:31909

約数の個数: 24

約数和(自身を含む): 29187557184

約数和(自身を除く): 8987748867

約数列:

[1, 3, 13, 39, 169, 507, 1303, 3909, 16939, 30577, 50817, 91731, 220207, 397501, 660621, 1192503, 5167513, 15502539, 39841831, 119525493, 517943803, 1553831409, 6733269439, 20199808317]

約数ペア:

[(1, 20199808317), (3, 6733269439), (13, 1553831409), (39, 517943803), (169, 119525493), (507, 39841831), (1303, 15502539), (3909, 5167513), (16939, 1192503), (30577, 660621), (50817, 397501), (91731, 220207)]