20529894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 52618752

約数和(自身を除く): 32088858

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 66, 74, 77, 111, 154, 222, 231, 259, 407, 462, 518, 777, 814, 1201, 1221, 1554, 2402, 2442, 2849, 3603, 5698, 7206, 8407, 8547, 13211, 16814, 17094, 25221, 26422, 39633, 44437, 50442, 79266, 88874, 92477, 133311, 184954, 266622, 277431, 311059, 488807, 554862, 622118, 933177, 977614, 1466421, 1866354, 2932842, 3421649, 6843298, 10264947, 20529894]

約数ペア:

[(1, 20529894), (2, 10264947), (3, 6843298), (6, 3421649), (7, 2932842), (11, 1866354), (14, 1466421), (21, 977614), (22, 933177), (33, 622118), (37, 554862), (42, 488807), (66, 311059), (74, 277431), (77, 266622), (111, 184954), (154, 133311), (222, 92477), (231, 88874), (259, 79266), (407, 50442), (462, 44437), (518, 39633), (777, 26422), (814, 25221), (1201, 17094), (1221, 16814), (1554, 13211), (2402, 8547), (2442, 8407), (2849, 7206), (3603, 5698)]