20001531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10273}}^1$

素因数の和:10346

約数の個数: 16

約数和(自身を含む): 29589120

約数和(自身を除く): 9587589

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10273, 30819, 113003, 339009, 606107, 1818321, 6667177, 20001531]

約数ペア:

[(1, 20001531), (3, 6667177), (11, 1818321), (33, 606107), (59, 339009), (177, 113003), (649, 30819), (1947, 10273)]