20512707636057

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{244749587}}^1$

素因数の和:244749917

約数の個数: 32

約数和(自身を含む): 33771527150592

約数和(自身を除く): 13258819514535

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2149, 3991, 6447, 11973, 27937, 83811, 244749587, 734248761, 1713247109, 3181744631, 5139741327, 9545233893, 22272212417, 66816637251, 75138123209, 225414369627, 525966862463, 976795601717, 1577900587389, 2930386805151, 6837569212019, 20512707636057]

約数ペア:

[(1, 20512707636057), (3, 6837569212019), (7, 2930386805151), (13, 1577900587389), (21, 976795601717), (39, 525966862463), (91, 225414369627), (273, 75138123209), (307, 66816637251), (921, 22272212417), (2149, 9545233893), (3991, 5139741327), (6447, 3181744631), (11973, 1713247109), (27937, 734248761), (83811, 244749587)]