2019965644780

素因数分解:

$2^2\times 5^1\times {\mathrm{7639}}^1\times {\mathrm{13221401}}^1$

素因数の和:13229049

約数の個数: 24

約数和(自身を含む): 4242483473760

約数和(自身を除く): 2222517828980

約数列:

[1, 2, 4, 5, 10, 20, 7639, 15278, 30556, 38195, 76390, 152780, 13221401, 26442802, 52885604, 66107005, 132214010, 264428020, 100998282239, 201996564478, 403993128956, 504991411195, 1009982822390, 2019965644780]

約数ペア:

[(1, 2019965644780), (2, 1009982822390), (4, 504991411195), (5, 403993128956), (10, 201996564478), (20, 100998282239), (7639, 264428020), (15278, 132214010), (30556, 66107005), (38195, 52885604), (76390, 26442802), (152780, 13221401)]