20216447982

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{15511}}^1$

素因数の和:15678

約数の個数: 96

約数和(自身を含む): 47816670720

約数和(自身を除く): 27600222738

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 103, 111, 114, 171, 206, 222, 309, 333, 342, 618, 666, 703, 927, 1406, 1854, 1957, 2109, 3811, 3914, 4218, 5871, 6327, 7622, 11433, 11742, 12654, 15511, 17613, 22866, 31022, 34299, 35226, 46533, 68598, 72409, 93066, 139599, 144818, 217227, 279198, 294709, 434454, 573907, 589418, 651681, 884127, 1147814, 1303362, 1597633, 1721721, 1768254, 2652381, 3195266, 3443442, 4792899, 5165163, 5304762, 9585798, 10330326, 10904233, 14378697, 21808466, 28757394, 30355027, 32712699, 59112421, 60710054, 65425398, 91065081, 98138097, 118224842, 177337263, 182130162, 196276194, 273195243, 354674526, 532011789, 546390486, 1064023578, 1123135999, 2246271998, 3369407997, 6738815994, 10108223991, 20216447982]

約数ペア:

[(1, 20216447982), (2, 10108223991), (3, 6738815994), (6, 3369407997), (9, 2246271998), (18, 1123135999), (19, 1064023578), (37, 546390486), (38, 532011789), (57, 354674526), (74, 273195243), (103, 196276194), (111, 182130162), (114, 177337263), (171, 118224842), (206, 98138097), (222, 91065081), (309, 65425398), (333, 60710054), (342, 59112421), (618, 32712699), (666, 30355027), (703, 28757394), (927, 21808466), (1406, 14378697), (1854, 10904233), (1957, 10330326), (2109, 9585798), (3811, 5304762), (3914, 5165163), (4218, 4792899), (5871, 3443442), (6327, 3195266), (7622, 2652381), (11433, 1768254), (11742, 1721721), (12654, 1597633), (15511, 1303362), (17613, 1147814), (22866, 884127), (31022, 651681), (34299, 589418), (35226, 573907), (46533, 434454), (68598, 294709), (72409, 279198), (93066, 217227), (139599, 144818)]