20486173844

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1439}}^1\times {\mathrm{9859}}^1$

素因数の和:11340

約数の個数: 36

約数和(自身を含む): 37867132800

約数和(自身を除く): 17380958956

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1439, 1444, 2878, 5756, 9859, 19718, 27341, 39436, 54682, 109364, 187321, 374642, 519479, 749284, 1038958, 2077916, 3559099, 7118198, 14187101, 14236396, 28374202, 56748404, 269554919, 539109838, 1078219676, 5121543461, 10243086922, 20486173844]

約数ペア:

[(1, 20486173844), (2, 10243086922), (4, 5121543461), (19, 1078219676), (38, 539109838), (76, 269554919), (361, 56748404), (722, 28374202), (1439, 14236396), (1444, 14187101), (2878, 7118198), (5756, 3559099), (9859, 2077916), (19718, 1038958), (27341, 749284), (39436, 519479), (54682, 374642), (109364, 187321)]