20627768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19387}}^1$

素因数の和:19419

約数の個数: 32

約数和(自身を含む): 46531200

約数和(自身を除く): 25903432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19387, 38774, 77548, 135709, 155096, 271418, 368353, 542836, 736706, 1085672, 1473412, 2578471, 2946824, 5156942, 10313884, 20627768]

約数ペア:

[(1, 20627768), (2, 10313884), (4, 5156942), (7, 2946824), (8, 2578471), (14, 1473412), (19, 1085672), (28, 736706), (38, 542836), (56, 368353), (76, 271418), (133, 155096), (152, 135709), (266, 77548), (532, 38774), (1064, 19387)]