20700408

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 53776800

約数和(自身を除く): 33076392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 109, 123, 164, 193, 218, 246, 327, 328, 386, 436, 492, 579, 654, 772, 872, 984, 1158, 1308, 1544, 2316, 2616, 4469, 4632, 7913, 8938, 13407, 15826, 17876, 21037, 23739, 26814, 31652, 35752, 42074, 47478, 53628, 63111, 63304, 84148, 94956, 107256, 126222, 168296, 189912, 252444, 504888, 862517, 1725034, 2587551, 3450068, 5175102, 6900136, 10350204, 20700408]

約数ペア:

[(1, 20700408), (2, 10350204), (3, 6900136), (4, 5175102), (6, 3450068), (8, 2587551), (12, 1725034), (24, 862517), (41, 504888), (82, 252444), (109, 189912), (123, 168296), (164, 126222), (193, 107256), (218, 94956), (246, 84148), (327, 63304), (328, 63111), (386, 53628), (436, 47478), (492, 42074), (579, 35752), (654, 31652), (772, 26814), (872, 23739), (984, 21037), (1158, 17876), (1308, 15826), (1544, 13407), (2316, 8938), (2616, 7913), (4469, 4632)]