4368021220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{506731}}^1$

素因数の和:507171

約数の個数: 24

約数和(自身を含む): 9194145408

約数和(自身を除く): 4826124188

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 506731, 1013462, 2026924, 2533655, 5067310, 10134620, 218401061, 436802122, 873604244, 1092005305, 2184010610, 4368021220]

約数ペア:

[(1, 4368021220), (2, 2184010610), (4, 1092005305), (5, 873604244), (10, 436802122), (20, 218401061), (431, 10134620), (862, 5067310), (1724, 2533655), (2155, 2026924), (4310, 1013462), (8620, 506731)]