20131488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 65126880

約数和(自身を除く): 44995392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 283, 288, 304, 312, 342, 416, 456, 468, 494, 566, 608, 624, 684, 741, 849, 912, 936, 988, 1132, 1248, 1368, 1482, 1698, 1824, 1872, 1976, 2223, 2264, 2547, 2736, 2964, 3396, 3679, 3744, 3952, 4446, 4528, 5094, 5377, 5472, 5928, 6792, 7358, 7904, 8892, 9056, 10188, 10754, 11037, 11856, 13584, 14716, 16131, 17784, 20376, 21508, 22074, 23712, 27168, 29432, 32262, 33111, 35568, 40752, 43016, 44148, 48393, 58864, 64524, 66222, 69901, 71136, 81504, 86032, 88296, 96786, 117728, 129048, 132444, 139802, 172064, 176592, 193572, 209703, 258096, 264888, 279604, 353184, 387144, 419406, 516192, 529776, 559208, 629109, 774288, 838812, 1059552, 1118416, 1258218, 1548576, 1677624, 2236832, 2516436, 3355248, 5032872, 6710496, 10065744, 20131488]

約数ペア:

[(1, 20131488), (2, 10065744), (3, 6710496), (4, 5032872), (6, 3355248), (8, 2516436), (9, 2236832), (12, 1677624), (13, 1548576), (16, 1258218), (18, 1118416), (19, 1059552), (24, 838812), (26, 774288), (32, 629109), (36, 559208), (38, 529776), (39, 516192), (48, 419406), (52, 387144), (57, 353184), (72, 279604), (76, 264888), (78, 258096), (96, 209703), (104, 193572), (114, 176592), (117, 172064), (144, 139802), (152, 132444), (156, 129048), (171, 117728), (208, 96786), (228, 88296), (234, 86032), (247, 81504), (283, 71136), (288, 69901), (304, 66222), (312, 64524), (342, 58864), (416, 48393), (456, 44148), (468, 43016), (494, 40752), (566, 35568), (608, 33111), (624, 32262), (684, 29432), (741, 27168), (849, 23712), (912, 22074), (936, 21508), (988, 20376), (1132, 17784), (1248, 16131), (1368, 14716), (1482, 13584), (1698, 11856), (1824, 11037), (1872, 10754), (1976, 10188), (2223, 9056), (2264, 8892), (2547, 7904), (2736, 7358), (2964, 6792), (3396, 5928), (3679, 5472), (3744, 5377), (3952, 5094), (4446, 4528)]