20867638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3779}}^1$

素因数の和:4043

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 13424522

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3779, 5522, 7558, 41569, 83138, 948529, 1897058, 10433819, 20867638]

約数ペア:

[(1, 20867638), (2, 10433819), (11, 1897058), (22, 948529), (251, 83138), (502, 41569), (2761, 7558), (3779, 5522)]