20613825

素因数分解:

$3^3\times 5^2\times {\mathrm{30539}}^1$

素因数の和:30558

約数の個数: 24

約数和(自身を含む): 37869600

約数和(自身を除く): 17255775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30539, 91617, 152695, 274851, 458085, 763475, 824553, 1374255, 2290425, 4122765, 6871275, 20613825]

約数ペア:

[(1, 20613825), (3, 6871275), (5, 4122765), (9, 2290425), (15, 1374255), (25, 824553), (27, 763475), (45, 458085), (75, 274851), (135, 152695), (225, 91617), (675, 30539)]