20195032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 24963368

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 127, 139, 143, 254, 278, 286, 508, 556, 572, 1016, 1112, 1144, 1397, 1529, 1651, 1807, 2794, 3058, 3302, 3614, 5588, 6116, 6604, 7228, 11176, 12232, 13208, 14456, 17653, 18161, 19877, 35306, 36322, 39754, 70612, 72644, 79508, 141224, 145288, 159016, 194183, 229489, 388366, 458978, 776732, 917956, 1553464, 1835912, 2524379, 5048758, 10097516, 20195032]

約数ペア:

[(1, 20195032), (2, 10097516), (4, 5048758), (8, 2524379), (11, 1835912), (13, 1553464), (22, 917956), (26, 776732), (44, 458978), (52, 388366), (88, 229489), (104, 194183), (127, 159016), (139, 145288), (143, 141224), (254, 79508), (278, 72644), (286, 70612), (508, 39754), (556, 36322), (572, 35306), (1016, 19877), (1112, 18161), (1144, 17653), (1397, 14456), (1529, 13208), (1651, 12232), (1807, 11176), (2794, 7228), (3058, 6604), (3302, 6116), (3614, 5588)]