20550871187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1\times {\mathrm{4129}}^1$

素因数の和:5931

約数の個数: 32

約数和(自身を含む): 26335787520

約数和(自身を除く): 5784916333

約数列:

[1, 7, 11, 37, 77, 259, 407, 1747, 2849, 4129, 12229, 19217, 28903, 45419, 64639, 134519, 152773, 317933, 452473, 711029, 1069411, 1680503, 4977203, 7213363, 11763521, 50493541, 79346993, 266894431, 555428951, 1868261017, 2935838741, 20550871187]

約数ペア:

[(1, 20550871187), (7, 2935838741), (11, 1868261017), (37, 555428951), (77, 266894431), (259, 79346993), (407, 50493541), (1747, 11763521), (2849, 7213363), (4129, 4977203), (12229, 1680503), (19217, 1069411), (28903, 711029), (45419, 452473), (64639, 317933), (134519, 152773)]