20805225588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1\times {\mathrm{2347}}^1$

素因数の和:3606

約数の個数: 144

約数和(自身を含む): 62254308480

約数和(自身を除く): 41449082892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1213, 1218, 1827, 2347, 2426, 2436, 3639, 3654, 4694, 4852, 7041, 7278, 7308, 8491, 9388, 10917, 14082, 14556, 16429, 16982, 21123, 21834, 25473, 28164, 32858, 33964, 35177, 42246, 43668, 49287, 50946, 65716, 68063, 70354, 76419, 84492, 98574, 101892, 105531, 136126, 140708, 147861, 152838, 197148, 204189, 211062, 246239, 272252, 295722, 305676, 316593, 408378, 422124, 476441, 492478, 591444, 612567, 633186, 738717, 816756, 952882, 984956, 1225134, 1266372, 1429323, 1477434, 1905764, 2216151, 2450268, 2846911, 2858646, 2954868, 4287969, 4432302, 5693822, 5717292, 8540733, 8575938, 8864604, 11387644, 17081466, 17151876, 19928377, 25622199, 34162932, 39856754, 51244398, 59785131, 79713508, 82560419, 102488796, 119570262, 165120838, 179355393, 239140524, 247681257, 330241676, 358710786, 495362514, 577922933, 717421572, 743043771, 990725028, 1155845866, 1486087542, 1733768799, 2311691732, 2972175084, 3467537598, 5201306397, 6935075196, 10402612794, 20805225588]

約数ペア:

[(1, 20805225588), (2, 10402612794), (3, 6935075196), (4, 5201306397), (6, 3467537598), (7, 2972175084), (9, 2311691732), (12, 1733768799), (14, 1486087542), (18, 1155845866), (21, 990725028), (28, 743043771), (29, 717421572), (36, 577922933), (42, 495362514), (58, 358710786), (63, 330241676), (84, 247681257), (87, 239140524), (116, 179355393), (126, 165120838), (174, 119570262), (203, 102488796), (252, 82560419), (261, 79713508), (348, 59785131), (406, 51244398), (522, 39856754), (609, 34162932), (812, 25622199), (1044, 19928377), (1213, 17151876), (1218, 17081466), (1827, 11387644), (2347, 8864604), (2426, 8575938), (2436, 8540733), (3639, 5717292), (3654, 5693822), (4694, 4432302), (4852, 4287969), (7041, 2954868), (7278, 2858646), (7308, 2846911), (8491, 2450268), (9388, 2216151), (10917, 1905764), (14082, 1477434), (14556, 1429323), (16429, 1266372), (16982, 1225134), (21123, 984956), (21834, 952882), (25473, 816756), (28164, 738717), (32858, 633186), (33964, 612567), (35177, 591444), (42246, 492478), (43668, 476441), (49287, 422124), (50946, 408378), (65716, 316593), (68063, 305676), (70354, 295722), (76419, 272252), (84492, 246239), (98574, 211062), (101892, 204189), (105531, 197148), (136126, 152838), (140708, 147861)]