20120670815

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2831903}}^1$

素因数の和:2831951

約数の個数: 24

約数和(自身を含む): 29055335040

約数和(自身を除く): 8934664225

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 2831903, 14159515, 19823321, 82125187, 99116605, 138763247, 410625935, 574876309, 693816235, 2874381545, 4024134163, 20120670815]

約数ペア:

[(1, 20120670815), (5, 4024134163), (7, 2874381545), (29, 693816235), (35, 574876309), (49, 410625935), (145, 138763247), (203, 99116605), (245, 82125187), (1015, 19823321), (1421, 14159515), (7105, 2831903)]