20131640740

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1\times {\mathrm{6067}}^1$

素因数の和:6988

約数の個数: 48

約数和(自身を含む): 42516097344

約数和(自身を除く): 22384456604

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 661, 1004, 1255, 1322, 2510, 2644, 3305, 5020, 6067, 6610, 12134, 13220, 24268, 30335, 60670, 121340, 165911, 331822, 663644, 829555, 1522817, 1659110, 3045634, 3318220, 4010287, 6091268, 7614085, 8020574, 15228170, 16041148, 20051435, 30456340, 40102870, 80205740, 1006582037, 2013164074, 4026328148, 5032910185, 10065820370, 20131640740]

約数ペア:

[(1, 20131640740), (2, 10065820370), (4, 5032910185), (5, 4026328148), (10, 2013164074), (20, 1006582037), (251, 80205740), (502, 40102870), (661, 30456340), (1004, 20051435), (1255, 16041148), (1322, 15228170), (2510, 8020574), (2644, 7614085), (3305, 6091268), (5020, 4010287), (6067, 3318220), (6610, 3045634), (12134, 1659110), (13220, 1522817), (24268, 829555), (30335, 663644), (60670, 331822), (121340, 165911)]