20512704009

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{563}}^1\times {\mathrm{2063}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 32445683712

約数和(自身を除く): 11932979703

約数列:

[1, 3, 7, 21, 29, 87, 203, 563, 609, 841, 1689, 2063, 2523, 3941, 5887, 6189, 11823, 14441, 16327, 17661, 43323, 48981, 59827, 114289, 179481, 342867, 418789, 473483, 1161469, 1256367, 1420449, 1734983, 3314381, 3484407, 5204949, 8130283, 9943143, 12144881, 24390849, 33682601, 36434643, 101047803, 235778207, 707334621, 976795429, 2930386287, 6837568003, 20512704009]

約数ペア:

[(1, 20512704009), (3, 6837568003), (7, 2930386287), (21, 976795429), (29, 707334621), (87, 235778207), (203, 101047803), (563, 36434643), (609, 33682601), (841, 24390849), (1689, 12144881), (2063, 9943143), (2523, 8130283), (3941, 5204949), (5887, 3484407), (6189, 3314381), (11823, 1734983), (14441, 1420449), (16327, 1256367), (17661, 1161469), (43323, 473483), (48981, 418789), (59827, 342867), (114289, 179481)]