20199012544

素因数分解:

$2^6\times {\mathrm{811}}^1\times {\mathrm{389161}}^1$

素因数の和:389984

約数の個数: 28

約数和(自身を含む): 40131942088

約数和(自身を除く): 19932929544

約数列:

[1, 2, 4, 8, 16, 32, 64, 811, 1622, 3244, 6488, 12976, 25952, 51904, 389161, 778322, 1556644, 3113288, 6226576, 12453152, 24906304, 315609571, 631219142, 1262438284, 2524876568, 5049753136, 10099506272, 20199012544]

約数ペア:

[(1, 20199012544), (2, 10099506272), (4, 5049753136), (8, 2524876568), (16, 1262438284), (32, 631219142), (64, 315609571), (811, 24906304), (1622, 12453152), (3244, 6226576), (6488, 3113288), (12976, 1556644), (25952, 778322), (51904, 389161)]