20682606

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 48657024

約数和(自身を除く): 27974418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 618, 683, 721, 1366, 1442, 2049, 2163, 4098, 4326, 4781, 5047, 9562, 10094, 14343, 15141, 28686, 30282, 33467, 66934, 70349, 100401, 140698, 200802, 211047, 422094, 492443, 984886, 1477329, 2954658, 3447101, 6894202, 10341303, 20682606]

約数ペア:

[(1, 20682606), (2, 10341303), (3, 6894202), (6, 3447101), (7, 2954658), (14, 1477329), (21, 984886), (42, 492443), (49, 422094), (98, 211047), (103, 200802), (147, 140698), (206, 100401), (294, 70349), (309, 66934), (618, 33467), (683, 30282), (721, 28686), (1366, 15141), (1442, 14343), (2049, 10094), (2163, 9562), (4098, 5047), (4326, 4781)]