20290448

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4513}}^1$

素因数の和:4802

約数の個数: 20

約数和(自身を含む): 39461388

約数和(自身を除く): 19170940

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4513, 9026, 18052, 36104, 72208, 1268153, 2536306, 5072612, 10145224, 20290448]

約数ペア:

[(1, 20290448), (2, 10145224), (4, 5072612), (8, 2536306), (16, 1268153), (281, 72208), (562, 36104), (1124, 18052), (2248, 9026), (4496, 4513)]