20131475084

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1383

約数の個数: 96

約数和(自身を含む): 42234393600

約数和(自身を除く): 22102918516

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 173, 203, 278, 346, 406, 556, 692, 812, 973, 1031, 1211, 1946, 2062, 2422, 3892, 4031, 4124, 4844, 5017, 7217, 8062, 10034, 14434, 16124, 20068, 24047, 28217, 28868, 29899, 35119, 48094, 56434, 59798, 70238, 96188, 112868, 119596, 140476, 143309, 168329, 178363, 209293, 286618, 336658, 356726, 418586, 573236, 673316, 697363, 713452, 837172, 1003163, 1248541, 1394726, 2006326, 2497082, 2789452, 4012652, 4155961, 4881541, 4994164, 5172527, 8311922, 9763082, 10345054, 16623844, 19526164, 20690108, 24792457, 29091727, 36207689, 49584914, 58183454, 72415378, 99169828, 116366908, 144830756, 173547199, 347094398, 694188796, 718981253, 1437962506, 2875925012, 5032868771, 10065737542, 20131475084]

約数ペア:

[(1, 20131475084), (2, 10065737542), (4, 5032868771), (7, 2875925012), (14, 1437962506), (28, 718981253), (29, 694188796), (58, 347094398), (116, 173547199), (139, 144830756), (173, 116366908), (203, 99169828), (278, 72415378), (346, 58183454), (406, 49584914), (556, 36207689), (692, 29091727), (812, 24792457), (973, 20690108), (1031, 19526164), (1211, 16623844), (1946, 10345054), (2062, 9763082), (2422, 8311922), (3892, 5172527), (4031, 4994164), (4124, 4881541), (4844, 4155961), (5017, 4012652), (7217, 2789452), (8062, 2497082), (10034, 2006326), (14434, 1394726), (16124, 1248541), (20068, 1003163), (24047, 837172), (28217, 713452), (28868, 697363), (29899, 673316), (35119, 573236), (48094, 418586), (56434, 356726), (59798, 336658), (70238, 286618), (96188, 209293), (112868, 178363), (119596, 168329), (140476, 143309)]