20041531

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 21581568

約数和(自身を除く): 1540037

約数列:

[1, 31, 37, 101, 173, 1147, 3131, 3737, 5363, 6401, 17473, 115847, 198431, 541663, 646501, 20041531]

約数ペア:

[(1, 20041531), (31, 646501), (37, 541663), (101, 198431), (173, 115847), (1147, 17473), (3131, 6401), (3737, 5363)]