20160981740

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1863307}}^1$

素因数の和:1863857

約数の個数: 24

約数和(自身を含む): 42416343312

約数和(自身を除く): 22255361572

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 1863307, 3726614, 7453228, 9316535, 18633070, 37266140, 1008049087, 2016098174, 4032196348, 5040245435, 10080490870, 20160981740]

約数ペア:

[(1, 20160981740), (2, 10080490870), (4, 5040245435), (5, 4032196348), (10, 2016098174), (20, 1008049087), (541, 37266140), (1082, 18633070), (2164, 9316535), (2705, 7453228), (5410, 3726614), (10820, 1863307)]