20172655240

素因数分解:

$2^3\times 5^1\times {\mathrm{504316381}}^1$

素因数の和:504316392

約数の個数: 16

約数和(自身を含む): 45388474380

約数和(自身を除く): 25215819140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504316381, 1008632762, 2017265524, 2521581905, 4034531048, 5043163810, 10086327620, 20172655240]

約数ペア:

[(1, 20172655240), (2, 10086327620), (4, 5043163810), (5, 4034531048), (8, 2521581905), (10, 2017265524), (20, 1008632762), (40, 504316381)]