20189901616

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{430819}}^1$

素因数の和:430957

約数の個数: 40

約数和(自身を含む): 40867585200

約数和(自身を除く): 20677683584

約数列:

[1, 2, 4, 8, 16, 29, 58, 101, 116, 202, 232, 404, 464, 808, 1616, 2929, 5858, 11716, 23432, 46864, 430819, 861638, 1723276, 3446552, 6893104, 12493751, 24987502, 43512719, 49975004, 87025438, 99950008, 174050876, 199900016, 348101752, 696203504, 1261868851, 2523737702, 5047475404, 10094950808, 20189901616]

約数ペア:

[(1, 20189901616), (2, 10094950808), (4, 5047475404), (8, 2523737702), (16, 1261868851), (29, 696203504), (58, 348101752), (101, 199900016), (116, 174050876), (202, 99950008), (232, 87025438), (404, 49975004), (464, 43512719), (808, 24987502), (1616, 12493751), (2929, 6893104), (5858, 3446552), (11716, 1723276), (23432, 861638), (46864, 430819)]