20778844306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{6863}}^1\times {\mathrm{12511}}^1$

素因数の和:19398

約数の個数: 24

約数和(自身を含む): 34267064832

約数和(自身を除く): 13488220526

約数列:

[1, 2, 11, 22, 121, 242, 6863, 12511, 13726, 25022, 75493, 137621, 150986, 275242, 830423, 1513831, 1660846, 3027662, 85862993, 171725986, 944492923, 1888985846, 10389422153, 20778844306]

約数ペア:

[(1, 20778844306), (2, 10389422153), (11, 1888985846), (22, 944492923), (121, 171725986), (242, 85862993), (6863, 3027662), (12511, 1660846), (13726, 1513831), (25022, 830423), (75493, 275242), (137621, 150986)]