20161795570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1\times {\mathrm{9137}}^1$

素因数の和:10267

約数の個数: 64

約数和(自身を含む): 42950062080

約数和(自身を除く): 22788266510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 1087, 2030, 2174, 5435, 7609, 9137, 10870, 15218, 18274, 31523, 38045, 45685, 63046, 63959, 76090, 91370, 127918, 157615, 220661, 264973, 315230, 319795, 441322, 529946, 639590, 1103305, 1324865, 1854811, 2206610, 2649730, 3709622, 9274055, 9931919, 18548110, 19863838, 49659595, 69523433, 99319190, 139046866, 288025651, 347617165, 576051302, 695234330, 1440128255, 2016179557, 2880256510, 4032359114, 10080897785, 20161795570]

約数ペア:

[(1, 20161795570), (2, 10080897785), (5, 4032359114), (7, 2880256510), (10, 2016179557), (14, 1440128255), (29, 695234330), (35, 576051302), (58, 347617165), (70, 288025651), (145, 139046866), (203, 99319190), (290, 69523433), (406, 49659595), (1015, 19863838), (1087, 18548110), (2030, 9931919), (2174, 9274055), (5435, 3709622), (7609, 2649730), (9137, 2206610), (10870, 1854811), (15218, 1324865), (18274, 1103305), (31523, 639590), (38045, 529946), (45685, 441322), (63046, 319795), (63959, 315230), (76090, 264973), (91370, 220661), (127918, 157615)]