20804069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 26773632

約数和(自身を除く): 5969563

約数列:

[1, 11, 13, 19, 31, 143, 169, 209, 247, 341, 361, 403, 589, 1859, 2717, 3211, 3971, 4433, 4693, 5239, 6479, 7657, 11191, 35321, 51623, 57629, 61009, 84227, 99541, 123101, 145483, 671099, 1094951, 1600313, 1891279, 20804069]

約数ペア:

[(1, 20804069), (11, 1891279), (13, 1600313), (19, 1094951), (31, 671099), (143, 145483), (169, 123101), (209, 99541), (247, 84227), (341, 61009), (361, 57629), (403, 51623), (589, 35321), (1859, 11191), (2717, 7657), (3211, 6479), (3971, 5239), (4433, 4693)]