204047660

素因数分解:

$2^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{5171}}^1$

素因数の和:7153

約数の個数: 24

約数和(自身を含む): 428800176

約数和(自身を除く): 224752516

約数列:

[1, 2, 4, 5, 10, 20, 1973, 3946, 5171, 7892, 9865, 10342, 19730, 20684, 25855, 39460, 51710, 103420, 10202383, 20404766, 40809532, 51011915, 102023830, 204047660]

約数ペア:

[(1, 204047660), (2, 102023830), (4, 51011915), (5, 40809532), (10, 20404766), (20, 10202383), (1973, 103420), (3946, 51710), (5171, 39460), (7892, 25855), (9865, 20684), (10342, 19730)]