20105892435

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{15313}}^1$

素因数の和:15628

約数の個数: 64

約数和(自身を含む): 35989125120

約数和(自身を除く): 15883232685

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 271, 285, 323, 813, 969, 1355, 1615, 4065, 4607, 4845, 5149, 13821, 15313, 15447, 23035, 25745, 45939, 69105, 76565, 77235, 87533, 229695, 260321, 262599, 290947, 437665, 780963, 872841, 1301605, 1312995, 1454735, 3904815, 4149823, 4364205, 4946099, 12449469, 14838297, 20749115, 24730495, 62247345, 70546991, 74191485, 78846637, 211640973, 236539911, 352734955, 394233185, 1058204865, 1182699555, 1340392829, 4021178487, 6701964145, 20105892435]

約数ペア:

[(1, 20105892435), (3, 6701964145), (5, 4021178487), (15, 1340392829), (17, 1182699555), (19, 1058204865), (51, 394233185), (57, 352734955), (85, 236539911), (95, 211640973), (255, 78846637), (271, 74191485), (285, 70546991), (323, 62247345), (813, 24730495), (969, 20749115), (1355, 14838297), (1615, 12449469), (4065, 4946099), (4607, 4364205), (4845, 4149823), (5149, 3904815), (13821, 1454735), (15313, 1312995), (15447, 1301605), (23035, 872841), (25745, 780963), (45939, 437665), (69105, 290947), (76565, 262599), (77235, 260321), (87533, 229695)]