20940052

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5660

約数の個数: 36

約数和(自身を含む): 44879520

約数和(自身を除く): 23939468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5623, 11246, 22492, 39361, 78722, 106837, 157444, 213674, 275527, 427348, 551054, 747859, 1102108, 1495718, 2991436, 5235013, 10470026, 20940052]

約数ペア:

[(1, 20940052), (2, 10470026), (4, 5235013), (7, 2991436), (14, 1495718), (19, 1102108), (28, 747859), (38, 551054), (49, 427348), (76, 275527), (98, 213674), (133, 157444), (196, 106837), (266, 78722), (532, 39361), (931, 22492), (1862, 11246), (3724, 5623)]