20310840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 55168200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 223, 230, 253, 264, 276, 330, 345, 360, 396, 414, 440, 446, 460, 495, 506, 552, 660, 669, 690, 759, 792, 828, 892, 920, 990, 1012, 1035, 1115, 1265, 1320, 1338, 1380, 1518, 1656, 1784, 1980, 2007, 2024, 2070, 2230, 2277, 2453, 2530, 2676, 2760, 3036, 3345, 3795, 3960, 4014, 4140, 4460, 4554, 4906, 5060, 5129, 5352, 6072, 6690, 7359, 7590, 8028, 8280, 8920, 9108, 9812, 10035, 10120, 10258, 11385, 12265, 13380, 14718, 15180, 15387, 16056, 18216, 19624, 20070, 20516, 22077, 22770, 24530, 25645, 26760, 29436, 30360, 30774, 36795, 40140, 41032, 44154, 45540, 46161, 49060, 51290, 56419, 58872, 61548, 73590, 76935, 80280, 88308, 91080, 92322, 98120, 102580, 110385, 112838, 123096, 147180, 153870, 169257, 176616, 184644, 205160, 220770, 225676, 230805, 282095, 294360, 307740, 338514, 369288, 441540, 451352, 461610, 507771, 564190, 615480, 677028, 846285, 883080, 923220, 1015542, 1128380, 1354056, 1692570, 1846440, 2031084, 2256760, 2538855, 3385140, 4062168, 5077710, 6770280, 10155420, 20310840]

約数ペア:

[(1, 20310840), (2, 10155420), (3, 6770280), (4, 5077710), (5, 4062168), (6, 3385140), (8, 2538855), (9, 2256760), (10, 2031084), (11, 1846440), (12, 1692570), (15, 1354056), (18, 1128380), (20, 1015542), (22, 923220), (23, 883080), (24, 846285), (30, 677028), (33, 615480), (36, 564190), (40, 507771), (44, 461610), (45, 451352), (46, 441540), (55, 369288), (60, 338514), (66, 307740), (69, 294360), (72, 282095), (88, 230805), (90, 225676), (92, 220770), (99, 205160), (110, 184644), (115, 176616), (120, 169257), (132, 153870), (138, 147180), (165, 123096), (180, 112838), (184, 110385), (198, 102580), (207, 98120), (220, 92322), (223, 91080), (230, 88308), (253, 80280), (264, 76935), (276, 73590), (330, 61548), (345, 58872), (360, 56419), (396, 51290), (414, 49060), (440, 46161), (446, 45540), (460, 44154), (495, 41032), (506, 40140), (552, 36795), (660, 30774), (669, 30360), (690, 29436), (759, 26760), (792, 25645), (828, 24530), (892, 22770), (920, 22077), (990, 20516), (1012, 20070), (1035, 19624), (1115, 18216), (1265, 16056), (1320, 15387), (1338, 15180), (1380, 14718), (1518, 13380), (1656, 12265), (1784, 11385), (1980, 10258), (2007, 10120), (2024, 10035), (2070, 9812), (2230, 9108), (2277, 8920), (2453, 8280), (2530, 8028), (2676, 7590), (2760, 7359), (3036, 6690), (3345, 6072), (3795, 5352), (3960, 5129), (4014, 5060), (4140, 4906), (4460, 4554)]