20776860995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{4789}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 28071852480

約数和(自身を除く): 7294991485

約数列:

[1, 5, 11, 55, 71, 101, 121, 355, 505, 605, 781, 1111, 3905, 4789, 5555, 7171, 8591, 12221, 23945, 35855, 42955, 52679, 61105, 78881, 263395, 340019, 394405, 483689, 579469, 867691, 1700095, 2418445, 2897345, 3740209, 4338455, 5320579, 18701045, 26602895, 34341919, 41142299, 58526369, 171709595, 205711495, 292631845, 377761109, 1888805545, 4155372199, 20776860995]

約数ペア:

[(1, 20776860995), (5, 4155372199), (11, 1888805545), (55, 377761109), (71, 292631845), (101, 205711495), (121, 171709595), (355, 58526369), (505, 41142299), (605, 34341919), (781, 26602895), (1111, 18701045), (3905, 5320579), (4789, 4338455), (5555, 3740209), (7171, 2897345), (8591, 2418445), (12221, 1700095), (23945, 867691), (35855, 579469), (42955, 483689), (52679, 394405), (61105, 340019), (78881, 263395)]