20190162020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{427939}}^1$

素因数の和:428292

約数の個数: 48

約数和(自身を含む): 48600289920

約数和(自身を除く): 28410127900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 1348, 1685, 2359, 3370, 4718, 6740, 9436, 11795, 23590, 47180, 427939, 855878, 1711756, 2139695, 2995573, 4279390, 5991146, 8558780, 11982292, 14977865, 29955730, 59911460, 144215443, 288430886, 576861772, 721077215, 1009508101, 1442154430, 2019016202, 2884308860, 4038032404, 5047540505, 10095081010, 20190162020]

約数ペア:

[(1, 20190162020), (2, 10095081010), (4, 5047540505), (5, 4038032404), (7, 2884308860), (10, 2019016202), (14, 1442154430), (20, 1009508101), (28, 721077215), (35, 576861772), (70, 288430886), (140, 144215443), (337, 59911460), (674, 29955730), (1348, 14977865), (1685, 11982292), (2359, 8558780), (3370, 5991146), (4718, 4279390), (6740, 2995573), (9436, 2139695), (11795, 1711756), (23590, 855878), (47180, 427939)]