20765628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44371}}^1$

素因数の和:44394

約数の個数: 36

約数和(自身を含む): 56529928

約数和(自身を除く): 35764300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44371, 88742, 133113, 177484, 266226, 399339, 532452, 576823, 798678, 1153646, 1597356, 1730469, 2307292, 3460938, 5191407, 6921876, 10382814, 20765628]

約数ペア:

[(1, 20765628), (2, 10382814), (3, 6921876), (4, 5191407), (6, 3460938), (9, 2307292), (12, 1730469), (13, 1597356), (18, 1153646), (26, 798678), (36, 576823), (39, 532452), (52, 399339), (78, 266226), (117, 177484), (156, 133113), (234, 88742), (468, 44371)]