20871234

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61027}}^1$

素因数の和:61054

約数の個数: 24

約数和(自身を含む): 47601840

約数和(自身を除く): 26730606

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61027, 122054, 183081, 366162, 549243, 1098486, 1159513, 2319026, 3478539, 6957078, 10435617, 20871234]

約数ペア:

[(1, 20871234), (2, 10435617), (3, 6957078), (6, 3478539), (9, 2319026), (18, 1159513), (19, 1098486), (38, 549243), (57, 366162), (114, 183081), (171, 122054), (342, 61027)]