20403054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1433}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 51004512

約数和(自身を除く): 30601458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1433, 1582, 2034, 2373, 2866, 4299, 4746, 7119, 8598, 10031, 12897, 14238, 20062, 25794, 30093, 60186, 90279, 161929, 180558, 323858, 485787, 971574, 1133503, 1457361, 2267006, 2914722, 3400509, 6801018, 10201527, 20403054]

約数ペア:

[(1, 20403054), (2, 10201527), (3, 6801018), (6, 3400509), (7, 2914722), (9, 2267006), (14, 1457361), (18, 1133503), (21, 971574), (42, 485787), (63, 323858), (113, 180558), (126, 161929), (226, 90279), (339, 60186), (678, 30093), (791, 25794), (1017, 20062), (1433, 14238), (1582, 12897), (2034, 10031), (2373, 8598), (2866, 7119), (4299, 4746)]