20215446872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2237}}^1\times {\mathrm{59453}}^1$

素因数の和:61715

約数の個数: 32

約数和(自身を含む): 39917415600

約数和(自身を除く): 19701968728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2237, 4474, 8948, 17896, 42503, 59453, 85006, 118906, 170012, 237812, 340024, 475624, 1129607, 2259214, 4518428, 9036856, 132996361, 265992722, 531985444, 1063970888, 2526930859, 5053861718, 10107723436, 20215446872]

約数ペア:

[(1, 20215446872), (2, 10107723436), (4, 5053861718), (8, 2526930859), (19, 1063970888), (38, 531985444), (76, 265992722), (152, 132996361), (2237, 9036856), (4474, 4518428), (8948, 2259214), (17896, 1129607), (42503, 475624), (59453, 340024), (85006, 237812), (118906, 170012)]