20783255536

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{4079}}^1$

素因数の和:4334

約数の個数: 80

約数和(自身を含む): 42497280000

約数和(自身を除く): 21714024464

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 139, 158, 232, 278, 316, 464, 556, 632, 1112, 1264, 2224, 2291, 4031, 4079, 4582, 8062, 8158, 9164, 10981, 16124, 16316, 18328, 21962, 32248, 32632, 36656, 43924, 64496, 65264, 87848, 118291, 175696, 236582, 318449, 322241, 473164, 566981, 636898, 644482, 946328, 1133962, 1273796, 1288964, 1892656, 2267924, 2547592, 2577928, 4535848, 5095184, 5155856, 9071696, 9344989, 16442449, 18689978, 32884898, 37379956, 44791499, 65769796, 74759912, 89582998, 131539592, 149519824, 179165996, 263079184, 358331992, 716663984, 1298953471, 2597906942, 5195813884, 10391627768, 20783255536]

約数ペア:

[(1, 20783255536), (2, 10391627768), (4, 5195813884), (8, 2597906942), (16, 1298953471), (29, 716663984), (58, 358331992), (79, 263079184), (116, 179165996), (139, 149519824), (158, 131539592), (232, 89582998), (278, 74759912), (316, 65769796), (464, 44791499), (556, 37379956), (632, 32884898), (1112, 18689978), (1264, 16442449), (2224, 9344989), (2291, 9071696), (4031, 5155856), (4079, 5095184), (4582, 4535848), (8062, 2577928), (8158, 2547592), (9164, 2267924), (10981, 1892656), (16124, 1288964), (16316, 1273796), (18328, 1133962), (21962, 946328), (32248, 644482), (32632, 636898), (36656, 566981), (43924, 473164), (64496, 322241), (65264, 318449), (87848, 236582), (118291, 175696)]