20199985337

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1\times {\mathrm{39439}}^1$

素因数の和:43316

約数の個数: 16

約数和(自身を含む): 24307660800

約数和(自身を除く): 4107675463

約数列:

[1, 7, 19, 133, 3851, 26957, 39439, 73169, 276073, 512183, 749341, 5245387, 151879589, 1063157123, 2885712191, 20199985337]

約数ペア:

[(1, 20199985337), (7, 2885712191), (19, 1063157123), (133, 151879589), (3851, 5245387), (26957, 749341), (39439, 512183), (73169, 276073)]