20530076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23015524

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 449, 497, 644, 898, 994, 1633, 1796, 1988, 3143, 3266, 6286, 6532, 10327, 11431, 12572, 20654, 22862, 31879, 41308, 45724, 63758, 72289, 127516, 144578, 223153, 289156, 446306, 733217, 892612, 1466434, 2932868, 5132519, 10265038, 20530076]

約数ペア:

[(1, 20530076), (2, 10265038), (4, 5132519), (7, 2932868), (14, 1466434), (23, 892612), (28, 733217), (46, 446306), (71, 289156), (92, 223153), (142, 144578), (161, 127516), (284, 72289), (322, 63758), (449, 45724), (497, 41308), (644, 31879), (898, 22862), (994, 20654), (1633, 12572), (1796, 11431), (1988, 10327), (3143, 6532), (3266, 6286)]