20996899742

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383281}}^1$

素因数の和:383353

約数の個数: 48

約数和(自身を含む): 40373392752

約数和(自身を除く): 19376493010

約数列:

[1, 2, 7, 13, 14, 26, 43, 49, 86, 91, 98, 182, 301, 559, 602, 637, 1118, 1274, 2107, 3913, 4214, 7826, 27391, 54782, 383281, 766562, 2682967, 4982653, 5365934, 9965306, 16481083, 18780769, 32962166, 34878571, 37561538, 69757142, 115367581, 214254079, 230735162, 244149997, 428508158, 488299994, 807573067, 1499778553, 1615146134, 2999557106, 10498449871, 20996899742]

約数ペア:

[(1, 20996899742), (2, 10498449871), (7, 2999557106), (13, 1615146134), (14, 1499778553), (26, 807573067), (43, 488299994), (49, 428508158), (86, 244149997), (91, 230735162), (98, 214254079), (182, 115367581), (301, 69757142), (559, 37561538), (602, 34878571), (637, 32962166), (1118, 18780769), (1274, 16481083), (2107, 9965306), (3913, 5365934), (4214, 4982653), (7826, 2682967), (27391, 766562), (54782, 383281)]