20168979

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 27498240

約数和(自身を除く): 7329261

約数列:

[1, 3, 61, 183, 307, 359, 921, 1077, 18727, 21899, 56181, 65697, 110213, 330639, 6722993, 20168979]

約数ペア:

[(1, 20168979), (3, 6722993), (61, 330639), (183, 110213), (307, 65697), (359, 56181), (921, 21899), (1077, 18727)]