20426469

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13684251

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 1973, 3451, 5919, 10353, 13811, 33541, 41433, 57217, 100623, 171651, 234787, 400519, 704361, 972689, 1201557, 2918067, 6808823, 20426469]

約数ペア:

[(1, 20426469), (3, 6808823), (7, 2918067), (17, 1201557), (21, 972689), (29, 704361), (51, 400519), (87, 234787), (119, 171651), (203, 100623), (357, 57217), (493, 41433), (609, 33541), (1479, 13811), (1973, 10353), (3451, 5919)]