20563221784

素因数分解:

$2^3\times 7^1\times {\mathrm{367200389}}^1$

素因数の和:367200402

約数の個数: 16

約数和(自身を含む): 44064046800

約数和(自身を除く): 23500825016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367200389, 734400778, 1468801556, 2570402723, 2937603112, 5140805446, 10281610892, 20563221784]

約数ペア:

[(1, 20563221784), (2, 10281610892), (4, 5140805446), (7, 2937603112), (8, 2570402723), (14, 1468801556), (28, 734400778), (56, 367200389)]