20167240

素因数分解:

$2^3\times 5^1\times {\mathrm{504181}}^1$

素因数の和:504192

約数の個数: 16

約数和(自身を含む): 45376380

約数和(自身を除く): 25209140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504181, 1008362, 2016724, 2520905, 4033448, 5041810, 10083620, 20167240]

約数ペア:

[(1, 20167240), (2, 10083620), (4, 5041810), (5, 4033448), (8, 2520905), (10, 2016724), (20, 1008362), (40, 504181)]