20219185

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25117}}^1$

素因数の和:25152

約数の個数: 16

約数和(自身を含む): 28935936

約数和(自身を除く): 8716751

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25117, 125585, 175819, 577691, 879095, 2888455, 4043837, 20219185]

約数ペア:

[(1, 20219185), (5, 4043837), (7, 2888455), (23, 879095), (35, 577691), (115, 175819), (161, 125585), (805, 25117)]