20147800904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{124363}}^1$

素因数の和:124650

約数の個数: 64

約数和(自身を含む): 47278218240

約数和(自身を除く): 27130417336

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 263, 308, 526, 616, 1052, 1841, 2104, 2893, 3682, 5786, 7364, 11572, 14728, 20251, 23144, 40502, 81004, 124363, 162008, 248726, 497452, 870541, 994904, 1367993, 1741082, 2735986, 3482164, 5471972, 6964328, 9575951, 10943944, 19151902, 32707469, 38303804, 65414938, 76607608, 130829876, 228952283, 261659752, 359782159, 457904566, 719564318, 915809132, 1439128636, 1831618264, 2518475113, 2878257272, 5036950226, 10073900452, 20147800904]

約数ペア:

[(1, 20147800904), (2, 10073900452), (4, 5036950226), (7, 2878257272), (8, 2518475113), (11, 1831618264), (14, 1439128636), (22, 915809132), (28, 719564318), (44, 457904566), (56, 359782159), (77, 261659752), (88, 228952283), (154, 130829876), (263, 76607608), (308, 65414938), (526, 38303804), (616, 32707469), (1052, 19151902), (1841, 10943944), (2104, 9575951), (2893, 6964328), (3682, 5471972), (5786, 3482164), (7364, 2735986), (11572, 1741082), (14728, 1367993), (20251, 994904), (23144, 870541), (40502, 497452), (81004, 248726), (124363, 162008)]