20451214

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21803}}^1$

素因数の和:21879

約数の個数: 16

約数和(自身を含む): 35584128

約数和(自身を除く): 15132914

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 21803, 43606, 152621, 305242, 1460801, 2921602, 10225607, 20451214]

約数ペア:

[(1, 20451214), (2, 10225607), (7, 2921602), (14, 1460801), (67, 305242), (134, 152621), (469, 43606), (938, 21803)]