20129121848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{337873}}^1$

素因数の和:338567

約数の個数: 32

約数和(自身を含む): 41234142960

約数和(自身を除く): 21105021112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 677, 1354, 2708, 5416, 7447, 14894, 29788, 59576, 337873, 675746, 1351492, 2702984, 3716603, 7433206, 14866412, 29732824, 228740021, 457480042, 914960084, 1829920168, 2516140231, 5032280462, 10064560924, 20129121848]

約数ペア:

[(1, 20129121848), (2, 10064560924), (4, 5032280462), (8, 2516140231), (11, 1829920168), (22, 914960084), (44, 457480042), (88, 228740021), (677, 29732824), (1354, 14866412), (2708, 7433206), (5416, 3716603), (7447, 2702984), (14894, 1351492), (29788, 675746), (59576, 337873)]