20157803211

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10548301}}^1$

素因数の和:10548331

約数の個数: 24

約数和(自身を含む): 33670179984

約数和(自身を除く): 13512376773

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10548301, 31644903, 73838107, 137127913, 221514321, 411383739, 516866749, 959895391, 1550600247, 2879686173, 6719267737, 20157803211]

約数ペア:

[(1, 20157803211), (3, 6719267737), (7, 2879686173), (13, 1550600247), (21, 959895391), (39, 516866749), (49, 411383739), (91, 221514321), (147, 137127913), (273, 73838107), (637, 31644903), (1911, 10548301)]