20641569285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32002433}}^1$

素因数の和:32002484

約数の個数: 16

約数和(自身を含む): 33794570304

約数和(自身を除く): 13153001019

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32002433, 96007299, 160012165, 480036495, 1376104619, 4128313857, 6880523095, 20641569285]

約数ペア:

[(1, 20641569285), (3, 6880523095), (5, 4128313857), (15, 1376104619), (43, 480036495), (129, 160012165), (215, 96007299), (645, 32002433)]