20195514340

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4225003}}^1$

素因数の和:4225251

約数の個数: 24

約数和(自身を含む): 42588040320

約数和(自身を除く): 22392525980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 4225003, 8450006, 16900012, 21125015, 42250030, 84500060, 1009775717, 2019551434, 4039102868, 5048878585, 10097757170, 20195514340]

約数ペア:

[(1, 20195514340), (2, 10097757170), (4, 5048878585), (5, 4039102868), (10, 2019551434), (20, 1009775717), (239, 84500060), (478, 42250030), (956, 21125015), (1195, 16900012), (2390, 8450006), (4780, 4225003)]