20456875292

素因数分解:

$2^2\times 7^1\times {\mathrm{39443}}^1\times {\mathrm{18523}}^1$

素因数の和:57977

約数の個数: 24

約数和(自身を含む): 40916996736

約数和(自身を除く): 20460121444

約数列:

[1, 2, 4, 7, 14, 28, 18523, 37046, 39443, 74092, 78886, 129661, 157772, 259322, 276101, 518644, 552202, 1104404, 730602689, 1461205378, 2922410756, 5114218823, 10228437646, 20456875292]

約数ペア:

[(1, 20456875292), (2, 10228437646), (4, 5114218823), (7, 2922410756), (14, 1461205378), (28, 730602689), (18523, 1104404), (37046, 552202), (39443, 518644), (74092, 276101), (78886, 259322), (129661, 157772)]