20199972363

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{30881}}^1$

素因数の和:31075

約数の個数: 32

約数和(自身を含む): 28389699072

約数和(自身を除く): 8189726709

約数列:

[1, 3, 37, 71, 83, 111, 213, 249, 2627, 3071, 5893, 7881, 9213, 17679, 30881, 92643, 218041, 654123, 1142597, 2192551, 2563123, 3427791, 6577653, 7689369, 81124387, 94835551, 181981733, 243373161, 284506653, 545945199, 6733324121, 20199972363]

約数ペア:

[(1, 20199972363), (3, 6733324121), (37, 545945199), (71, 284506653), (83, 243373161), (111, 181981733), (213, 94835551), (249, 81124387), (2627, 7689369), (3071, 6577653), (5893, 3427791), (7881, 2563123), (9213, 2192551), (17679, 1142597), (30881, 654123), (92643, 218041)]