20784585216

素因数分解:

$2^9\times 3^1\times {\mathrm{2801}}^1\times {\mathrm{4831}}^1$

素因数の和:7653

約数の個数: 80

約数和(自身を含む): 55402668288

約数和(自身を除く): 34618083072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 2801, 4831, 5602, 8403, 9662, 11204, 14493, 16806, 19324, 22408, 28986, 33612, 38648, 44816, 57972, 67224, 77296, 89632, 115944, 134448, 154592, 179264, 231888, 268896, 309184, 358528, 463776, 537792, 618368, 717056, 927552, 1075584, 1236736, 1434112, 1855104, 2151168, 2473472, 3710208, 4302336, 7420416, 13531631, 27063262, 40594893, 54126524, 81189786, 108253048, 162379572, 216506096, 324759144, 433012192, 649518288, 866024384, 1299036576, 1732048768, 2598073152, 3464097536, 5196146304, 6928195072, 10392292608, 20784585216]

約数ペア:

[(1, 20784585216), (2, 10392292608), (3, 6928195072), (4, 5196146304), (6, 3464097536), (8, 2598073152), (12, 1732048768), (16, 1299036576), (24, 866024384), (32, 649518288), (48, 433012192), (64, 324759144), (96, 216506096), (128, 162379572), (192, 108253048), (256, 81189786), (384, 54126524), (512, 40594893), (768, 27063262), (1536, 13531631), (2801, 7420416), (4831, 4302336), (5602, 3710208), (8403, 2473472), (9662, 2151168), (11204, 1855104), (14493, 1434112), (16806, 1236736), (19324, 1075584), (22408, 927552), (28986, 717056), (33612, 618368), (38648, 537792), (44816, 463776), (57972, 358528), (67224, 309184), (77296, 268896), (89632, 231888), (115944, 179264), (134448, 154592)]