20009738

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2797}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 35405892

約数和(自身を除く): 15396154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 2797, 3577, 5594, 7154, 19579, 39158, 137053, 204181, 274106, 408362, 1429267, 2858534, 10004869, 20009738]

約数ペア:

[(1, 20009738), (2, 10004869), (7, 2858534), (14, 1429267), (49, 408362), (73, 274106), (98, 204181), (146, 137053), (511, 39158), (1022, 19579), (2797, 7154), (3577, 5594)]