199062020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{17431}}^1$

素因数の和:18011

約数の個数: 24

約数和(自身を含む): 418786368

約数和(自身を除く): 219724348

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 17431, 34862, 69724, 87155, 174310, 348620, 9953101, 19906202, 39812404, 49765505, 99531010, 199062020]

約数ペア:

[(1, 199062020), (2, 99531010), (4, 49765505), (5, 39812404), (10, 19906202), (20, 9953101), (571, 348620), (1142, 174310), (2284, 87155), (2855, 69724), (5710, 34862), (11420, 17431)]