2012920021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{108883}}^1$

素因数の和:109048

約数の個数: 16

約数和(自身を含む): 2439001600

約数和(自身を除く): 426081579

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 108883, 762181, 2068777, 14481439, 15134737, 105943159, 287560003, 2012920021]

約数ペア:

[(1, 2012920021), (7, 287560003), (19, 105943159), (133, 15134737), (139, 14481439), (973, 2068777), (2641, 762181), (18487, 108883)]