20123763738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257996971}}^1$

素因数の和:257996989

約数の個数: 16

約数和(自身を含む): 43343491296

約数和(自身を除く): 23219727558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257996971, 515993942, 773990913, 1547981826, 3353960623, 6707921246, 10061881869, 20123763738]

約数ペア:

[(1, 20123763738), (2, 10061881869), (3, 6707921246), (6, 3353960623), (13, 1547981826), (26, 773990913), (39, 515993942), (78, 257996971)]