20490436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5087}}^1$

素因数の和:5163

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17974844

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5087, 10174, 20348, 96653, 193306, 269611, 386612, 539222, 1078444, 5122609, 10245218, 20490436]

約数ペア:

[(1, 20490436), (2, 10245218), (4, 5122609), (19, 1078444), (38, 539222), (53, 386612), (76, 269611), (106, 193306), (212, 96653), (1007, 20348), (2014, 10174), (4028, 5087)]