20430765

素因数分解:

$3^3\times 5^1\times {\mathrm{151339}}^1$

素因数の和:151353

約数の個数: 16

約数和(自身を含む): 36321600

約数和(自身を除く): 15890835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151339, 454017, 756695, 1362051, 2270085, 4086153, 6810255, 20430765]

約数ペア:

[(1, 20430765), (3, 6810255), (5, 4086153), (9, 2270085), (15, 1362051), (27, 756695), (45, 454017), (135, 151339)]