20120649471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 32981981760

約数和(自身を除く): 12861332289

約数列:

[1, 3, 9, 13, 29, 39, 87, 107, 117, 157, 261, 321, 353, 377, 471, 963, 1059, 1131, 1391, 1413, 2041, 3103, 3177, 3393, 4173, 4553, 4589, 6123, 9309, 10237, 12519, 13659, 13767, 16799, 18369, 27927, 30711, 37771, 40339, 40977, 41301, 50397, 55421, 59189, 92133, 113313, 121017, 133081, 151191, 166263, 177567, 218387, 339939, 363051, 399243, 487171, 491023, 498789, 532701, 655161, 720473, 1095359, 1197729, 1461513, 1473069, 1607209, 1965483, 2161419, 3286077, 4384539, 4419207, 4821627, 5930047, 6333223, 6484257, 9858231, 14239667, 14464881, 17790141, 18999669, 20893717, 42719001, 53370423, 56999007, 62681151, 77090611, 128157003, 171971363, 188043453, 231271833, 515914089, 693815499, 1547742267, 2235627719, 6706883157, 20120649471]

約数ペア:

[(1, 20120649471), (3, 6706883157), (9, 2235627719), (13, 1547742267), (29, 693815499), (39, 515914089), (87, 231271833), (107, 188043453), (117, 171971363), (157, 128157003), (261, 77090611), (321, 62681151), (353, 56999007), (377, 53370423), (471, 42719001), (963, 20893717), (1059, 18999669), (1131, 17790141), (1391, 14464881), (1413, 14239667), (2041, 9858231), (3103, 6484257), (3177, 6333223), (3393, 5930047), (4173, 4821627), (4553, 4419207), (4589, 4384539), (6123, 3286077), (9309, 2161419), (10237, 1965483), (12519, 1607209), (13659, 1473069), (13767, 1461513), (16799, 1197729), (18369, 1095359), (27927, 720473), (30711, 655161), (37771, 532701), (40339, 498789), (40977, 491023), (41301, 487171), (50397, 399243), (55421, 363051), (59189, 339939), (92133, 218387), (113313, 177567), (121017, 166263), (133081, 151191)]