20161446220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12760409}}^1$

素因数の和:12760497

約数の個数: 24

約数和(自身を含む): 42874977600

約数和(自身を除く): 22713531380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12760409, 25520818, 51041636, 63802045, 127604090, 255208180, 1008072311, 2016144622, 4032289244, 5040361555, 10080723110, 20161446220]

約数ペア:

[(1, 20161446220), (2, 10080723110), (4, 5040361555), (5, 4032289244), (10, 2016144622), (20, 1008072311), (79, 255208180), (158, 127604090), (316, 63802045), (395, 51041636), (790, 25520818), (1580, 12760409)]