20123557531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{343423}}^1$

素因数の和:344202

約数の個数: 16

約数和(自身を含む): 25122152448

約数和(自身を除く): 4998594917

約数列:

[1, 7, 11, 77, 761, 5327, 8371, 58597, 343423, 2403961, 3777653, 26443571, 261344903, 1829414321, 2874793933, 20123557531]

約数ペア:

[(1, 20123557531), (7, 2874793933), (11, 1829414321), (77, 261344903), (761, 26443571), (5327, 3777653), (8371, 2403961), (58597, 343423)]