20189380

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4447}}^1$

素因数の和:4683

約数の個数: 24

約数和(自身を含む): 42594048

約数和(自身を除く): 22404668

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4447, 4540, 8894, 17788, 22235, 44470, 88940, 1009469, 2018938, 4037876, 5047345, 10094690, 20189380]

約数ペア:

[(1, 20189380), (2, 10094690), (4, 5047345), (5, 4037876), (10, 2018938), (20, 1009469), (227, 88940), (454, 44470), (908, 22235), (1135, 17788), (2270, 8894), (4447, 4540)]