20236275

素因数分解:

$3^2\times 5^2\times {\mathrm{89939}}^1$

素因数の和:89955

約数の個数: 18

約数和(自身を含む): 36245820

約数和(自身を除く): 16009545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89939, 269817, 449695, 809451, 1349085, 2248475, 4047255, 6745425, 20236275]

約数ペア:

[(1, 20236275), (3, 6745425), (5, 4047255), (9, 2248475), (15, 1349085), (25, 809451), (45, 449695), (75, 269817), (225, 89939)]