20348214685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{12917}}^1$

素因数の和:13413

約数の個数: 32

約数和(自身を含む): 26518897152

約数和(自身を除く): 6170682467

約数列:

[1, 5, 17, 43, 85, 215, 431, 731, 2155, 3655, 7327, 12917, 18533, 36635, 64585, 92665, 219589, 315061, 555431, 1097945, 1575305, 2777155, 5567227, 9442327, 27836135, 47211635, 94642859, 239390761, 473214295, 1196953805, 4069642937, 20348214685]

約数ペア:

[(1, 20348214685), (5, 4069642937), (17, 1196953805), (43, 473214295), (85, 239390761), (215, 94642859), (431, 47211635), (731, 27836135), (2155, 9442327), (3655, 5567227), (7327, 2777155), (12917, 1575305), (18533, 1097945), (36635, 555431), (64585, 315061), (92665, 219589)]