20087648

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 72

約数和(自身を含む): 48090672

約数和(自身を除く): 28003024

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 557, 644, 736, 784, 1114, 1127, 1288, 1568, 2228, 2254, 2576, 3899, 4456, 4508, 5152, 7798, 8912, 9016, 12811, 15596, 17824, 18032, 25622, 27293, 31192, 36064, 51244, 54586, 62384, 89677, 102488, 109172, 124768, 179354, 204976, 218344, 358708, 409952, 436688, 627739, 717416, 873376, 1255478, 1434832, 2510956, 2869664, 5021912, 10043824, 20087648]

約数ペア:

[(1, 20087648), (2, 10043824), (4, 5021912), (7, 2869664), (8, 2510956), (14, 1434832), (16, 1255478), (23, 873376), (28, 717416), (32, 627739), (46, 436688), (49, 409952), (56, 358708), (92, 218344), (98, 204976), (112, 179354), (161, 124768), (184, 109172), (196, 102488), (224, 89677), (322, 62384), (368, 54586), (392, 51244), (557, 36064), (644, 31192), (736, 27293), (784, 25622), (1114, 18032), (1127, 17824), (1288, 15596), (1568, 12811), (2228, 9016), (2254, 8912), (2576, 7798), (3899, 5152), (4456, 4508)]