20516392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197273}}^1$

素因数の和:197292

約数の個数: 16

約数和(自身を含む): 41427540

約数和(自身を除く): 20911148

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197273, 394546, 789092, 1578184, 2564549, 5129098, 10258196, 20516392]

約数ペア:

[(1, 20516392), (2, 10258196), (4, 5129098), (8, 2564549), (13, 1578184), (26, 789092), (52, 394546), (104, 197273)]