20199997444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{67943}}^1$

素因数の和:68220

約数の個数: 48

約数和(自身を含む): 40065217920

約数和(自身を除く): 19865220476

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 233, 319, 466, 638, 932, 1276, 2563, 5126, 6757, 10252, 13514, 27028, 67943, 74327, 135886, 148654, 271772, 297308, 747373, 1494746, 1970347, 2989492, 3940694, 7881388, 15830719, 21673817, 31661438, 43347634, 63322876, 86695268, 174137909, 348275818, 459090851, 696551636, 918181702, 1836363404, 5049999361, 10099998722, 20199997444]

約数ペア:

[(1, 20199997444), (2, 10099998722), (4, 5049999361), (11, 1836363404), (22, 918181702), (29, 696551636), (44, 459090851), (58, 348275818), (116, 174137909), (233, 86695268), (319, 63322876), (466, 43347634), (638, 31661438), (932, 21673817), (1276, 15830719), (2563, 7881388), (5126, 3940694), (6757, 2989492), (10252, 1970347), (13514, 1494746), (27028, 747373), (67943, 297308), (74327, 271772), (135886, 148654)]