20817675

素因数分解:

$3^3\times 5^2\times {\mathrm{30841}}^1$

素因数の和:30860

約数の個数: 24

約数和(自身を含む): 38244080

約数和(自身を除く): 17426405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30841, 92523, 154205, 277569, 462615, 771025, 832707, 1387845, 2313075, 4163535, 6939225, 20817675]

約数ペア:

[(1, 20817675), (3, 6939225), (5, 4163535), (9, 2313075), (15, 1387845), (25, 832707), (27, 771025), (45, 462615), (75, 277569), (135, 154205), (225, 92523), (675, 30841)]