20196231

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 11979129

約数列:

[1, 3, 11, 23, 33, 41, 59, 69, 121, 123, 177, 253, 363, 451, 649, 759, 943, 1353, 1357, 1947, 2419, 2783, 2829, 4071, 4961, 7139, 7257, 8349, 10373, 14883, 14927, 21417, 26609, 31119, 44781, 55637, 79827, 114103, 164197, 166911, 292699, 342309, 492591, 612007, 878097, 1836021, 6732077, 20196231]

約数ペア:

[(1, 20196231), (3, 6732077), (11, 1836021), (23, 878097), (33, 612007), (41, 492591), (59, 342309), (69, 292699), (121, 166911), (123, 164197), (177, 114103), (253, 79827), (363, 55637), (451, 44781), (649, 31119), (759, 26609), (943, 21417), (1353, 14927), (1357, 14883), (1947, 10373), (2419, 8349), (2783, 7257), (2829, 7139), (4071, 4961)]