20215043824

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18857317}}^1$

素因数の和:18857392

約数の個数: 20

約数和(自身を含む): 39751226344

約数和(自身を除く): 19536182520

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18857317, 37714634, 75429268, 150858536, 301717072, 1263440239, 2526880478, 5053760956, 10107521912, 20215043824]

約数ペア:

[(1, 20215043824), (2, 10107521912), (4, 5053760956), (8, 2526880478), (16, 1263440239), (67, 301717072), (134, 150858536), (268, 75429268), (536, 37714634), (1072, 18857317)]