20111085

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 40144896

約数和(自身を除く): 20033811

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 127, 135, 153, 207, 255, 345, 381, 391, 405, 459, 621, 635, 765, 1035, 1143, 1173, 1377, 1863, 1905, 1955, 2159, 2295, 2921, 3105, 3429, 3519, 5715, 5865, 6477, 6885, 8763, 9315, 10287, 10557, 10795, 14605, 17145, 17595, 19431, 26289, 31671, 32385, 43815, 49657, 51435, 52785, 58293, 78867, 97155, 131445, 148971, 158355, 174879, 236601, 248285, 291465, 394335, 446913, 744855, 874395, 1183005, 1340739, 2234565, 4022217, 6703695, 20111085]

約数ペア:

[(1, 20111085), (3, 6703695), (5, 4022217), (9, 2234565), (15, 1340739), (17, 1183005), (23, 874395), (27, 744855), (45, 446913), (51, 394335), (69, 291465), (81, 248285), (85, 236601), (115, 174879), (127, 158355), (135, 148971), (153, 131445), (207, 97155), (255, 78867), (345, 58293), (381, 52785), (391, 51435), (405, 49657), (459, 43815), (621, 32385), (635, 31671), (765, 26289), (1035, 19431), (1143, 17595), (1173, 17145), (1377, 14605), (1863, 10795), (1905, 10557), (1955, 10287), (2159, 9315), (2295, 8763), (2921, 6885), (3105, 6477), (3429, 5865), (3519, 5715)]