20021375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{14561}}^1$

素因数の和:14587

約数の個数: 16

約数和(自身を含む): 27260064

約数和(自身を除く): 7238689

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 14561, 72805, 160171, 364025, 800855, 1820125, 4004275, 20021375]

約数ペア:

[(1, 20021375), (5, 4004275), (11, 1820125), (25, 800855), (55, 364025), (125, 160171), (275, 72805), (1375, 14561)]