20199654507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{7963}}^1\times {\mathrm{49739}}^1$

素因数の和:57722

約数の個数: 16

約数和(自身を含む): 28521313920

約数和(自身を除く): 8321659413

約数列:

[1, 3, 17, 51, 7963, 23889, 49739, 135371, 149217, 406113, 845563, 2536689, 396071657, 1188214971, 6733218169, 20199654507]

約数ペア:

[(1, 20199654507), (3, 6733218169), (17, 1188214971), (51, 396071657), (7963, 2536689), (23889, 845563), (49739, 406113), (135371, 149217)]