20124649216

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{591067}}^1$

素因数の和:591109

約数の個数: 72

約数和(自身を含む): 48325719680

約数和(自身を除く): 28201070464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8512, 17024, 34048, 591067, 1182134, 2364268, 4137469, 4728536, 8274938, 9457072, 11230273, 16549876, 18914144, 22460546, 33099752, 37828288, 44921092, 66199504, 75656576, 78611911, 89842184, 132399008, 151313152, 157223822, 179684368, 264798016, 314447644, 359368736, 529596032, 628895288, 718737472, 1059192064, 1257790576, 1437474944, 2515581152, 2874949888, 5031162304, 10062324608, 20124649216]

約数ペア:

[(1, 20124649216), (2, 10062324608), (4, 5031162304), (7, 2874949888), (8, 2515581152), (14, 1437474944), (16, 1257790576), (19, 1059192064), (28, 718737472), (32, 628895288), (38, 529596032), (56, 359368736), (64, 314447644), (76, 264798016), (112, 179684368), (128, 157223822), (133, 151313152), (152, 132399008), (224, 89842184), (256, 78611911), (266, 75656576), (304, 66199504), (448, 44921092), (532, 37828288), (608, 33099752), (896, 22460546), (1064, 18914144), (1216, 16549876), (1792, 11230273), (2128, 9457072), (2432, 8274938), (4256, 4728536), (4864, 4137469), (8512, 2364268), (17024, 1182134), (34048, 591067)]