20407354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2113}}^1$

素因数の和:2565

約数の個数: 16

約数和(自身を含む): 33485760

約数和(自身を除く): 13078406

約数列:

[1, 2, 11, 22, 439, 878, 2113, 4226, 4829, 9658, 23243, 46486, 927607, 1855214, 10203677, 20407354]

約数ペア:

[(1, 20407354), (2, 10203677), (11, 1855214), (22, 927607), (439, 46486), (878, 23243), (2113, 9658), (4226, 4829)]