20854438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49891}}^1$

素因数の和:49923

約数の個数: 16

約数和(自身を含む): 35922240

約数和(自身を除く): 15067802

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49891, 99782, 548801, 947929, 1097602, 1895858, 10427219, 20854438]

約数ペア:

[(1, 20854438), (2, 10427219), (11, 1895858), (19, 1097602), (22, 947929), (38, 548801), (209, 99782), (418, 49891)]