20888974946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{33149}}^1$

素因数の和:33303

約数の個数: 64

約数和(自身を含む): 39716352000

約数和(自身を除く): 18827377054

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 103, 133, 161, 206, 266, 322, 437, 721, 874, 1442, 1957, 2369, 3059, 3914, 4738, 6118, 13699, 16583, 27398, 33149, 33166, 45011, 66298, 90022, 232043, 315077, 464086, 629831, 630154, 762427, 1259662, 1524854, 3414347, 4408817, 5336989, 6828694, 8817634, 10673978, 14486113, 23900429, 28972226, 47800858, 64872593, 78529981, 101402791, 129745186, 157059962, 202805582, 454108151, 549709867, 908216302, 1099419734, 1492069639, 2984139278, 10444487473, 20888974946]

約数ペア:

[(1, 20888974946), (2, 10444487473), (7, 2984139278), (14, 1492069639), (19, 1099419734), (23, 908216302), (38, 549709867), (46, 454108151), (103, 202805582), (133, 157059962), (161, 129745186), (206, 101402791), (266, 78529981), (322, 64872593), (437, 47800858), (721, 28972226), (874, 23900429), (1442, 14486113), (1957, 10673978), (2369, 8817634), (3059, 6828694), (3914, 5336989), (4738, 4408817), (6118, 3414347), (13699, 1524854), (16583, 1259662), (27398, 762427), (33149, 630154), (33166, 629831), (45011, 464086), (66298, 315077), (90022, 232043)]