20909026

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 31832064

約数和(自身を除く): 10923038

約数列:

[1, 2, 127, 254, 263, 313, 526, 626, 33401, 39751, 66802, 79502, 82319, 164638, 10454513, 20909026]

約数ペア:

[(1, 20909026), (2, 10454513), (127, 164638), (254, 82319), (263, 79502), (313, 66802), (526, 39751), (626, 33401)]