20430555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59219}}^1$

素因数の和:59250

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13680165

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59219, 177657, 296095, 888285, 1362037, 4086111, 6810185, 20430555]

約数ペア:

[(1, 20430555), (3, 6810185), (5, 4086111), (15, 1362037), (23, 888285), (69, 296095), (115, 177657), (345, 59219)]