20493406336

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{2543}}^1$

素因数の和:2766

約数の個数: 128

約数和(自身を含む): 45773683200

約数和(自身を除く): 25280276864

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 167, 208, 232, 334, 377, 416, 464, 668, 754, 832, 928, 1336, 1508, 1664, 1856, 2171, 2543, 2672, 3016, 3712, 4342, 4843, 5086, 5344, 6032, 8684, 9686, 10172, 10688, 12064, 17368, 19372, 20344, 21376, 24128, 33059, 34736, 38744, 40688, 48256, 62959, 66118, 69472, 73747, 77488, 81376, 125918, 132236, 138944, 147494, 154976, 162752, 251836, 264472, 277888, 294988, 309952, 325504, 424681, 503672, 528944, 589976, 619904, 849362, 958711, 1007344, 1057888, 1179952, 1698724, 1917422, 2014688, 2115776, 2359904, 3397448, 3834844, 4029376, 4231552, 4719808, 5520853, 6794896, 7669688, 8058752, 9439616, 11041706, 12315749, 13589792, 15339376, 22083412, 24631498, 27179584, 30678752, 44166824, 49262996, 54359168, 61357504, 88333648, 98525992, 122715008, 160104737, 176667296, 197051984, 320209474, 353334592, 394103968, 640418948, 706669184, 788207936, 1280837896, 1576415872, 2561675792, 5123351584, 10246703168, 20493406336]

約数ペア:

[(1, 20493406336), (2, 10246703168), (4, 5123351584), (8, 2561675792), (13, 1576415872), (16, 1280837896), (26, 788207936), (29, 706669184), (32, 640418948), (52, 394103968), (58, 353334592), (64, 320209474), (104, 197051984), (116, 176667296), (128, 160104737), (167, 122715008), (208, 98525992), (232, 88333648), (334, 61357504), (377, 54359168), (416, 49262996), (464, 44166824), (668, 30678752), (754, 27179584), (832, 24631498), (928, 22083412), (1336, 15339376), (1508, 13589792), (1664, 12315749), (1856, 11041706), (2171, 9439616), (2543, 8058752), (2672, 7669688), (3016, 6794896), (3712, 5520853), (4342, 4719808), (4843, 4231552), (5086, 4029376), (5344, 3834844), (6032, 3397448), (8684, 2359904), (9686, 2115776), (10172, 2014688), (10688, 1917422), (12064, 1698724), (17368, 1179952), (19372, 1057888), (20344, 1007344), (21376, 958711), (24128, 849362), (33059, 619904), (34736, 589976), (38744, 528944), (40688, 503672), (48256, 424681), (62959, 325504), (66118, 309952), (69472, 294988), (73747, 277888), (77488, 264472), (81376, 251836), (125918, 162752), (132236, 154976), (138944, 147494)]