20480990

素因数分解:

$2^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1867}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 36919152

約数和(自身を除く): 16438162

約数列:

[1, 2, 5, 10, 1097, 1867, 2194, 3734, 5485, 9335, 10970, 18670, 2048099, 4096198, 10240495, 20480990]

約数ペア:

[(1, 20480990), (2, 10240495), (5, 4096198), (10, 2048099), (1097, 18670), (1867, 10970), (2194, 9335), (3734, 5485)]