20580494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3727}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 33820416

約数和(自身を除く): 13239922

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3727, 5522, 7454, 40997, 81994, 935477, 1870954, 10290247, 20580494]

約数ペア:

[(1, 20580494), (2, 10290247), (11, 1870954), (22, 935477), (251, 81994), (502, 40997), (2761, 7454), (3727, 5522)]