20000031

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 27460224

約数和(自身を除く): 7460193

約数列:

[1, 3, 43, 129, 197, 591, 787, 2361, 8471, 25413, 33841, 101523, 155039, 465117, 6666677, 20000031]

約数ペア:

[(1, 20000031), (3, 6666677), (43, 465117), (129, 155039), (197, 101523), (591, 33841), (787, 25413), (2361, 8471)]