20916434

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19403}}^1$

素因数の和:19430

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 18900574

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19403, 38806, 135821, 213433, 271642, 426866, 950747, 1494031, 1901494, 2988062, 10458217, 20916434]

約数ペア:

[(1, 20916434), (2, 10458217), (7, 2988062), (11, 1901494), (14, 1494031), (22, 950747), (49, 426866), (77, 271642), (98, 213433), (154, 135821), (539, 38806), (1078, 19403)]