20620364931

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{524411}}^1$

素因数の和:524691

約数の個数: 24

約数和(自身を含む): 31659801264

約数和(自身を除く): 11039436333

約数列:

[1, 3, 9, 17, 51, 153, 257, 771, 2313, 4369, 13107, 39321, 524411, 1573233, 4719699, 8914987, 26744961, 80234883, 134773627, 404320881, 1212962643, 2291151659, 6873454977, 20620364931]

約数ペア:

[(1, 20620364931), (3, 6873454977), (9, 2291151659), (17, 1212962643), (51, 404320881), (153, 134773627), (257, 80234883), (771, 26744961), (2313, 8914987), (4369, 4719699), (13107, 1573233), (39321, 524411)]