20126137780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2137}}^1\times {\mathrm{67271}}^1$

素因数の和:69424

約数の個数: 48

約数和(自身を含む): 48326052096

約数和(自身を除く): 28199914316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2137, 4274, 8548, 10685, 14959, 21370, 29918, 42740, 59836, 67271, 74795, 134542, 149590, 269084, 299180, 336355, 470897, 672710, 941794, 1345420, 1883588, 2354485, 4708970, 9417940, 143758127, 287516254, 575032508, 718790635, 1006306889, 1437581270, 2012613778, 2875162540, 4025227556, 5031534445, 10063068890, 20126137780]

約数ペア:

[(1, 20126137780), (2, 10063068890), (4, 5031534445), (5, 4025227556), (7, 2875162540), (10, 2012613778), (14, 1437581270), (20, 1006306889), (28, 718790635), (35, 575032508), (70, 287516254), (140, 143758127), (2137, 9417940), (4274, 4708970), (8548, 2354485), (10685, 1883588), (14959, 1345420), (21370, 941794), (29918, 672710), (42740, 470897), (59836, 336355), (67271, 299180), (74795, 269084), (134542, 149590)]