20097891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 32039280

約数和(自身を除く): 11941389

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2281, 2937, 6843, 8811, 20529, 25091, 75273, 203009, 225819, 609027, 1827081, 2233099, 6699297, 20097891]

約数ペア:

[(1, 20097891), (3, 6699297), (9, 2233099), (11, 1827081), (33, 609027), (89, 225819), (99, 203009), (267, 75273), (801, 25091), (979, 20529), (2281, 8811), (2937, 6843)]