20145165

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9803}}^1$

素因数の和:9948

約数の個数: 16

約数和(自身を含む): 32470848

約数和(自身を除く): 12325683

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9803, 29409, 49015, 147045, 1343011, 4029033, 6715055, 20145165]

約数ペア:

[(1, 20145165), (3, 6715055), (5, 4029033), (15, 1343011), (137, 147045), (411, 49015), (685, 29409), (2055, 9803)]