20684025

素因数分解:

$3^3\times 5^2\times {\mathrm{30643}}^1$

素因数の和:30662

約数の個数: 24

約数和(自身を含む): 37998560

約数和(自身を除く): 17314535

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30643, 91929, 153215, 275787, 459645, 766075, 827361, 1378935, 2298225, 4136805, 6894675, 20684025]

約数ペア:

[(1, 20684025), (3, 6894675), (5, 4136805), (9, 2298225), (15, 1378935), (25, 827361), (27, 766075), (45, 459645), (75, 275787), (135, 153215), (225, 91929), (675, 30643)]