20843180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7607}}^1$

素因数の和:7753

約数の個数: 24

約数和(自身を含む): 44095968

約数和(自身を除く): 23252788

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7607, 15214, 30428, 38035, 76070, 152140, 1042159, 2084318, 4168636, 5210795, 10421590, 20843180]

約数ペア:

[(1, 20843180), (2, 10421590), (4, 5210795), (5, 4168636), (10, 2084318), (20, 1042159), (137, 152140), (274, 76070), (548, 38035), (685, 30428), (1370, 15214), (2740, 7607)]