20726842012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{27893}}^1$

素因数の和:28158

約数の個数: 48

約数和(自身を含む): 38970372672

約数和(自身を除く): 18243530660

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 197, 394, 788, 943, 1886, 3772, 4531, 8077, 9062, 16154, 18124, 27893, 32308, 55786, 111572, 185771, 371542, 641539, 743084, 1143613, 1283078, 2287226, 2566156, 4574452, 5494921, 10989842, 21979684, 26303099, 52606198, 105212396, 126383183, 225291761, 252766366, 450583522, 505532732, 901167044, 5181710503, 10363421006, 20726842012]

約数ペア:

[(1, 20726842012), (2, 10363421006), (4, 5181710503), (23, 901167044), (41, 505532732), (46, 450583522), (82, 252766366), (92, 225291761), (164, 126383183), (197, 105212396), (394, 52606198), (788, 26303099), (943, 21979684), (1886, 10989842), (3772, 5494921), (4531, 4574452), (8077, 2566156), (9062, 2287226), (16154, 1283078), (18124, 1143613), (27893, 743084), (32308, 641539), (55786, 371542), (111572, 185771)]