20519164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7297}}^1$

素因数の和:7357

約数の個数: 24

約数和(自身を含む): 38825360

約数和(自身を除く): 18306196

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7297, 14594, 29188, 138643, 269989, 277286, 539978, 554572, 1079956, 5129791, 10259582, 20519164]

約数ペア:

[(1, 20519164), (2, 10259582), (4, 5129791), (19, 1079956), (37, 554572), (38, 539978), (74, 277286), (76, 269989), (148, 138643), (703, 29188), (1406, 14594), (2812, 7297)]