20319675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15937}}^1$

素因数の和:15967

約数の個数: 24

約数和(自身を含む): 35573616

約数和(自身を除く): 15253941

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15937, 47811, 79685, 239055, 270929, 398425, 812787, 1195275, 1354645, 4063935, 6773225, 20319675]

約数ペア:

[(1, 20319675), (3, 6773225), (5, 4063935), (15, 1354645), (17, 1195275), (25, 812787), (51, 398425), (75, 270929), (85, 239055), (255, 79685), (425, 47811), (1275, 15937)]