20169952180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1901}}^1\times {\mathrm{75787}}^1$

素因数の和:77704

約数の個数: 48

約数和(自身を含む): 48433988736

約数和(自身を除く): 28264036556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1901, 3802, 7604, 9505, 13307, 19010, 26614, 38020, 53228, 66535, 75787, 133070, 151574, 266140, 303148, 378935, 530509, 757870, 1061018, 1515740, 2122036, 2652545, 5305090, 10610180, 144071087, 288142174, 576284348, 720355435, 1008497609, 1440710870, 2016995218, 2881421740, 4033990436, 5042488045, 10084976090, 20169952180]

約数ペア:

[(1, 20169952180), (2, 10084976090), (4, 5042488045), (5, 4033990436), (7, 2881421740), (10, 2016995218), (14, 1440710870), (20, 1008497609), (28, 720355435), (35, 576284348), (70, 288142174), (140, 144071087), (1901, 10610180), (3802, 5305090), (7604, 2652545), (9505, 2122036), (13307, 1515740), (19010, 1061018), (26614, 757870), (38020, 530509), (53228, 378935), (66535, 303148), (75787, 266140), (133070, 151574)]