20968387

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 24244992

約数和(自身を除く): 3276605

約数列:

[1, 11, 23, 67, 253, 737, 1237, 1541, 13607, 16951, 28451, 82879, 312961, 911669, 1906217, 20968387]

約数ペア:

[(1, 20968387), (11, 1906217), (23, 911669), (67, 312961), (253, 82879), (737, 28451), (1237, 16951), (1541, 13607)]