20680728432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{152729}}^1$

素因数の和:152791

約数の個数: 160

約数和(自身を含む): 67875655680

約数和(自身を除く): 47194927248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 104, 112, 124, 156, 168, 182, 186, 208, 217, 248, 273, 312, 336, 364, 372, 403, 434, 496, 546, 624, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1456, 1488, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 3472, 4368, 4836, 5208, 5642, 6448, 8463, 9672, 10416, 11284, 16926, 19344, 22568, 33852, 45136, 67704, 135408, 152729, 305458, 458187, 610916, 916374, 1069103, 1221832, 1832748, 1985477, 2138206, 2443664, 3207309, 3665496, 3970954, 4276412, 4734599, 5956431, 6414618, 7330992, 7941908, 8552824, 9469198, 11912862, 12829236, 13898339, 14203797, 15883816, 17105648, 18938396, 23825724, 25658472, 27796678, 28407594, 31767632, 33142193, 37876792, 41695017, 47651448, 51316944, 55593356, 56815188, 61549787, 66284386, 75753584, 83390034, 95302896, 99426579, 111186712, 113630376, 123099574, 132568772, 166780068, 184649361, 198853158, 222373424, 227260752, 246199148, 265137544, 333560136, 369298722, 397706316, 430848509, 492398296, 530275088, 667120272, 738597444, 795412632, 861697018, 984796592, 1292545527, 1477194888, 1590825264, 1723394036, 2585091054, 2954389776, 3446788072, 5170182108, 6893576144, 10340364216, 20680728432]

約数ペア:

[(1, 20680728432), (2, 10340364216), (3, 6893576144), (4, 5170182108), (6, 3446788072), (7, 2954389776), (8, 2585091054), (12, 1723394036), (13, 1590825264), (14, 1477194888), (16, 1292545527), (21, 984796592), (24, 861697018), (26, 795412632), (28, 738597444), (31, 667120272), (39, 530275088), (42, 492398296), (48, 430848509), (52, 397706316), (56, 369298722), (62, 333560136), (78, 265137544), (84, 246199148), (91, 227260752), (93, 222373424), (104, 198853158), (112, 184649361), (124, 166780068), (156, 132568772), (168, 123099574), (182, 113630376), (186, 111186712), (208, 99426579), (217, 95302896), (248, 83390034), (273, 75753584), (312, 66284386), (336, 61549787), (364, 56815188), (372, 55593356), (403, 51316944), (434, 47651448), (496, 41695017), (546, 37876792), (624, 33142193), (651, 31767632), (728, 28407594), (744, 27796678), (806, 25658472), (868, 23825724), (1092, 18938396), (1209, 17105648), (1302, 15883816), (1456, 14203797), (1488, 13898339), (1612, 12829236), (1736, 11912862), (2184, 9469198), (2418, 8552824), (2604, 7941908), (2821, 7330992), (3224, 6414618), (3472, 5956431), (4368, 4734599), (4836, 4276412), (5208, 3970954), (5642, 3665496), (6448, 3207309), (8463, 2443664), (9672, 2138206), (10416, 1985477), (11284, 1832748), (16926, 1221832), (19344, 1069103), (22568, 916374), (33852, 610916), (45136, 458187), (67704, 305458), (135408, 152729)]