20646464

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16979}}^1$

素因数の和:17010

約数の個数: 28

約数和(自身を含む): 43129200

約数和(自身を除く): 22482736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16979, 33958, 67916, 135832, 271664, 322601, 543328, 645202, 1086656, 1290404, 2580808, 5161616, 10323232, 20646464]

約数ペア:

[(1, 20646464), (2, 10323232), (4, 5161616), (8, 2580808), (16, 1290404), (19, 1086656), (32, 645202), (38, 543328), (64, 322601), (76, 271664), (152, 135832), (304, 67916), (608, 33958), (1216, 16979)]