20201383984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66451921}}^1$

素因数の和:66451948

約数の個数: 20

約数和(自身を含む): 41200191640

約数和(自身を除く): 20998807656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66451921, 132903842, 265807684, 531615368, 1063230736, 1262586499, 2525172998, 5050345996, 10100691992, 20201383984]

約数ペア:

[(1, 20201383984), (2, 10100691992), (4, 5050345996), (8, 2525172998), (16, 1262586499), (19, 1063230736), (38, 531615368), (76, 265807684), (152, 132903842), (304, 66451921)]