20799408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 62107136

約数和(自身を除く): 41307728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 601, 618, 721, 824, 1202, 1236, 1442, 1648, 1803, 2163, 2404, 2472, 2884, 3606, 4207, 4326, 4808, 4944, 5768, 7212, 8414, 8652, 9616, 11536, 12621, 14424, 16828, 17304, 25242, 28848, 33656, 34608, 50484, 61903, 67312, 100968, 123806, 185709, 201936, 247612, 371418, 433321, 495224, 742836, 866642, 990448, 1299963, 1485672, 1733284, 2599926, 2971344, 3466568, 5199852, 6933136, 10399704, 20799408]

約数ペア:

[(1, 20799408), (2, 10399704), (3, 6933136), (4, 5199852), (6, 3466568), (7, 2971344), (8, 2599926), (12, 1733284), (14, 1485672), (16, 1299963), (21, 990448), (24, 866642), (28, 742836), (42, 495224), (48, 433321), (56, 371418), (84, 247612), (103, 201936), (112, 185709), (168, 123806), (206, 100968), (309, 67312), (336, 61903), (412, 50484), (601, 34608), (618, 33656), (721, 28848), (824, 25242), (1202, 17304), (1236, 16828), (1442, 14424), (1648, 12621), (1803, 11536), (2163, 9616), (2404, 8652), (2472, 8414), (2884, 7212), (3606, 5768), (4207, 4944), (4326, 4808)]