20235065708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{78439}}^1$

素因数の和:78519

約数の個数: 72

約数和(自身を含む): 42940252320

約数和(自身を除く): 22705186612

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 82, 121, 143, 164, 242, 286, 451, 484, 533, 572, 902, 1066, 1573, 1804, 2132, 3146, 4961, 5863, 6292, 9922, 11726, 19844, 23452, 64493, 78439, 128986, 156878, 257972, 313756, 862829, 1019707, 1725658, 2039414, 3215999, 3451316, 4078828, 6431998, 9491119, 11216777, 12863996, 18982238, 22433554, 35375989, 37964476, 41807987, 44867108, 70751978, 83615974, 123384547, 141503956, 167231948, 246769094, 389135879, 459887857, 493538188, 778271758, 919775714, 1556543516, 1839551428, 5058766427, 10117532854, 20235065708]

約数ペア:

[(1, 20235065708), (2, 10117532854), (4, 5058766427), (11, 1839551428), (13, 1556543516), (22, 919775714), (26, 778271758), (41, 493538188), (44, 459887857), (52, 389135879), (82, 246769094), (121, 167231948), (143, 141503956), (164, 123384547), (242, 83615974), (286, 70751978), (451, 44867108), (484, 41807987), (533, 37964476), (572, 35375989), (902, 22433554), (1066, 18982238), (1573, 12863996), (1804, 11216777), (2132, 9491119), (3146, 6431998), (4961, 4078828), (5863, 3451316), (6292, 3215999), (9922, 2039414), (11726, 1725658), (19844, 1019707), (23452, 862829), (64493, 313756), (78439, 257972), (128986, 156878)]