20528451

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20549}}^1$

素因数の和:20595

約数の個数: 16

約数和(自身を含む): 31236000

約数和(自身を除く): 10707549

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20549, 61647, 184941, 554823, 760313, 2280939, 6842817, 20528451]

約数ペア:

[(1, 20528451), (3, 6842817), (9, 2280939), (27, 760313), (37, 554823), (111, 184941), (333, 61647), (999, 20549)]