20191777204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1049}}^1\times {\mathrm{1087}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 37425024000

約数和(自身を除く): 17233246796

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1049, 1087, 2098, 2174, 4196, 4348, 4427, 8854, 17708, 19931, 20653, 39862, 41306, 79724, 82612, 244417, 253271, 488834, 506542, 977668, 1013084, 1140263, 2280526, 4561052, 4643923, 4812149, 9287846, 9624298, 18575692, 19248596, 21664997, 43329994, 86659988, 265681279, 531362558, 1062725116, 5047944301, 10095888602, 20191777204]

約数ペア:

[(1, 20191777204), (2, 10095888602), (4, 5047944301), (19, 1062725116), (38, 531362558), (76, 265681279), (233, 86659988), (466, 43329994), (932, 21664997), (1049, 19248596), (1087, 18575692), (2098, 9624298), (2174, 9287846), (4196, 4812149), (4348, 4643923), (4427, 4561052), (8854, 2280526), (17708, 1140263), (19931, 1013084), (20653, 977668), (39862, 506542), (41306, 488834), (79724, 253271), (82612, 244417)]