20189346448

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{353}}^1\times {\mathrm{12721}}^1$

素因数の和:13363

約数の個数: 40

約数和(自身を含む): 39370366296

約数和(自身を除く): 19181019848

約数列:

[1, 2, 4, 8, 16, 281, 353, 562, 706, 1124, 1412, 2248, 2824, 4496, 5648, 12721, 25442, 50884, 99193, 101768, 198386, 203536, 396772, 793544, 1587088, 3574601, 4490513, 7149202, 8981026, 14298404, 17962052, 28596808, 35924104, 57193616, 71848208, 1261834153, 2523668306, 5047336612, 10094673224, 20189346448]

約数ペア:

[(1, 20189346448), (2, 10094673224), (4, 5047336612), (8, 2523668306), (16, 1261834153), (281, 71848208), (353, 57193616), (562, 35924104), (706, 28596808), (1124, 17962052), (1412, 14298404), (2248, 8981026), (2824, 7149202), (4496, 4490513), (5648, 3574601), (12721, 1587088), (25442, 793544), (50884, 396772), (99193, 203536), (101768, 198386)]