20201587755

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18968627}}^1$

素因数の和:18968706

約数の個数: 16

約数和(自身を含む): 32777789184

約数和(自身を除く): 12576201429

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18968627, 56905881, 94843135, 284529405, 1346772517, 4040317551, 6733862585, 20201587755]

約数ペア:

[(1, 20201587755), (3, 6733862585), (5, 4040317551), (15, 1346772517), (71, 284529405), (213, 94843135), (355, 56905881), (1065, 18968627)]