20184558448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{44519}}^1$

素因数の和:45229

約数の個数: 40

約数和(自身を含む): 40078684800

約数和(自身を除く): 19894126352

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 659, 688, 1318, 2636, 5272, 10544, 28337, 44519, 56674, 89038, 113348, 178076, 226696, 356152, 453392, 712304, 1914317, 3828634, 7657268, 15314536, 29338021, 30629072, 58676042, 117352084, 234704168, 469408336, 1261534903, 2523069806, 5046139612, 10092279224, 20184558448]

約数ペア:

[(1, 20184558448), (2, 10092279224), (4, 5046139612), (8, 2523069806), (16, 1261534903), (43, 469408336), (86, 234704168), (172, 117352084), (344, 58676042), (659, 30629072), (688, 29338021), (1318, 15314536), (2636, 7657268), (5272, 3828634), (10544, 1914317), (28337, 712304), (44519, 453392), (56674, 356152), (89038, 226696), (113348, 178076)]