20104959

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9479}}^1$

素因数の和:9590

約数の個数: 16

約数和(自身を含む): 30942720

約数和(自身を除く): 10837761

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9479, 28437, 66353, 199059, 957379, 2872137, 6701653, 20104959]

約数ペア:

[(1, 20104959), (3, 6701653), (7, 2872137), (21, 957379), (101, 199059), (303, 66353), (707, 28437), (2121, 9479)]