20600237

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 26400000

約数和(自身を除く): 5799763

約数列:

[1, 7, 19, 29, 49, 109, 133, 203, 343, 551, 763, 931, 1421, 2071, 3161, 3857, 5341, 6517, 9947, 14497, 22127, 26999, 37387, 60059, 101479, 154889, 188993, 420413, 710353, 1084223, 2942891, 20600237]

約数ペア:

[(1, 20600237), (7, 2942891), (19, 1084223), (29, 710353), (49, 420413), (109, 188993), (133, 154889), (203, 101479), (343, 60059), (551, 37387), (763, 26999), (931, 22127), (1421, 14497), (2071, 9947), (3161, 6517), (3857, 5341)]