20184003

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{761}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 33442656

約数和(自身を除く): 13258653

約数列:

[1, 3, 7, 9, 21, 63, 421, 761, 1263, 2283, 2947, 3789, 5327, 6849, 8841, 15981, 26523, 47943, 320381, 961143, 2242667, 2883429, 6728001, 20184003]

約数ペア:

[(1, 20184003), (3, 6728001), (7, 2883429), (9, 2242667), (21, 961143), (63, 320381), (421, 47943), (761, 26523), (1263, 15981), (2283, 8841), (2947, 6849), (3789, 5327)]