20265616

素因数分解:

$2^4\times 7^2\times {\mathrm{25849}}^1$

素因数の和:25871

約数の個数: 30

約数和(自身を含む): 45676950

約数和(自身を除く): 25411334

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25849, 51698, 103396, 180943, 206792, 361886, 413584, 723772, 1266601, 1447544, 2533202, 2895088, 5066404, 10132808, 20265616]

約数ペア:

[(1, 20265616), (2, 10132808), (4, 5066404), (7, 2895088), (8, 2533202), (14, 1447544), (16, 1266601), (28, 723772), (49, 413584), (56, 361886), (98, 206792), (112, 180943), (196, 103396), (392, 51698), (784, 25849)]