20475051

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 27998208

約数和(自身を除く): 7523157

約数列:

[1, 3, 71, 97, 213, 291, 991, 2973, 6887, 20661, 70361, 96127, 211083, 288381, 6825017, 20475051]

約数ペア:

[(1, 20475051), (3, 6825017), (71, 288381), (97, 211083), (213, 96127), (291, 70361), (991, 20661), (2973, 6887)]