20111756

素因数分解:

$2^2\times 7^2\times {\mathrm{102611}}^1$

素因数の和:102629

約数の個数: 18

約数和(自身を含む): 40942188

約数和(自身を除く): 20830432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102611, 205222, 410444, 718277, 1436554, 2873108, 5027939, 10055878, 20111756]

約数ペア:

[(1, 20111756), (2, 10055878), (4, 5027939), (7, 2873108), (14, 1436554), (28, 718277), (49, 410444), (98, 205222), (196, 102611)]