20125277788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{35339}}^1$

素因数の和:35447

約数の個数: 72

約数和(自身を含む): 44955872640

約数和(自身を除く): 24830594852

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1849, 1892, 3311, 3698, 6622, 7396, 12943, 13244, 20339, 25886, 35339, 40678, 51772, 70678, 81356, 141356, 142373, 247373, 284746, 388729, 494746, 569492, 777458, 989492, 1519577, 1554916, 2721103, 3039154, 5442206, 6078308, 10637039, 10884412, 16715347, 21274078, 33430694, 42548156, 65341811, 66861388, 117007429, 130683622, 234014858, 261367244, 457392677, 468029716, 718759921, 914785354, 1437519842, 1829570708, 2875039684, 5031319447, 10062638894, 20125277788]

約数ペア:

[(1, 20125277788), (2, 10062638894), (4, 5031319447), (7, 2875039684), (11, 1829570708), (14, 1437519842), (22, 914785354), (28, 718759921), (43, 468029716), (44, 457392677), (77, 261367244), (86, 234014858), (154, 130683622), (172, 117007429), (301, 66861388), (308, 65341811), (473, 42548156), (602, 33430694), (946, 21274078), (1204, 16715347), (1849, 10884412), (1892, 10637039), (3311, 6078308), (3698, 5442206), (6622, 3039154), (7396, 2721103), (12943, 1554916), (13244, 1519577), (20339, 989492), (25886, 777458), (35339, 569492), (40678, 494746), (51772, 388729), (70678, 284746), (81356, 247373), (141356, 142373)]