20019939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5953}}^1$

素因数の和:6034

約数の個数: 16

約数和(自身を含む): 28579200

約数和(自身を除く): 8559261

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5953, 17859, 113107, 339321, 351227, 1053681, 6673313, 20019939]

約数ペア:

[(1, 20019939), (3, 6673313), (19, 1053681), (57, 351227), (59, 339321), (177, 113107), (1121, 17859), (3363, 5953)]