20178487728

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2859763}}^1$

素因数の和:2859791

約数の個数: 90

約数和(自身を含む): 65691638844

約数和(自身を除く): 45513151116

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 2859763, 5719526, 8579289, 11439052, 17158578, 20018341, 22878104, 25737867, 34317156, 40036682, 45756208, 51475734, 60055023, 68634312, 80073364, 102951468, 120110046, 137268624, 140128387, 160146728, 180165069, 205902936, 240220092, 280256774, 320293456, 360330138, 411805872, 420385161, 480440184, 560513548, 720660276, 840770322, 960880368, 1121027096, 1261155483, 1441320552, 1681540644, 2242054192, 2522310966, 2882641104, 3363081288, 5044621932, 6726162576, 10089243864, 20178487728]

約数ペア:

[(1, 20178487728), (2, 10089243864), (3, 6726162576), (4, 5044621932), (6, 3363081288), (7, 2882641104), (8, 2522310966), (9, 2242054192), (12, 1681540644), (14, 1441320552), (16, 1261155483), (18, 1121027096), (21, 960880368), (24, 840770322), (28, 720660276), (36, 560513548), (42, 480440184), (48, 420385161), (49, 411805872), (56, 360330138), (63, 320293456), (72, 280256774), (84, 240220092), (98, 205902936), (112, 180165069), (126, 160146728), (144, 140128387), (147, 137268624), (168, 120110046), (196, 102951468), (252, 80073364), (294, 68634312), (336, 60055023), (392, 51475734), (441, 45756208), (504, 40036682), (588, 34317156), (784, 25737867), (882, 22878104), (1008, 20018341), (1176, 17158578), (1764, 11439052), (2352, 8579289), (3528, 5719526), (7056, 2859763)]