20162051990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{526837}}^1$

素因数の和:526976

約数の個数: 32

約数和(自身を含む): 37553012640

約数和(自身を除く): 17390960650

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 7654, 19135, 38270, 526837, 1053674, 2634185, 5268370, 22653991, 45307982, 46888493, 93776986, 113269955, 226539910, 234442465, 468884930, 2016205199, 4032410398, 10081025995, 20162051990]

約数ペア:

[(1, 20162051990), (2, 10081025995), (5, 4032410398), (10, 2016205199), (43, 468884930), (86, 234442465), (89, 226539910), (178, 113269955), (215, 93776986), (430, 46888493), (445, 45307982), (890, 22653991), (3827, 5268370), (7654, 2634185), (19135, 1053674), (38270, 526837)]