201995540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{73721}}^1$

素因数の和:73867

約数の個数: 24

約数和(自身を含む): 427292712

約数和(自身を除く): 225297172

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 73721, 147442, 294884, 368605, 737210, 1474420, 10099777, 20199554, 40399108, 50498885, 100997770, 201995540]

約数ペア:

[(1, 201995540), (2, 100997770), (4, 50498885), (5, 40399108), (10, 20199554), (20, 10099777), (137, 1474420), (274, 737210), (548, 368605), (685, 294884), (1370, 147442), (2740, 73721)]