20986365

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32537}}^1$

素因数の和:32588

約数の個数: 16

約数和(自身を含む): 34360128

約数和(自身を除く): 13373763

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32537, 97611, 162685, 488055, 1399091, 4197273, 6995455, 20986365]

約数ペア:

[(1, 20986365), (3, 6995455), (5, 4197273), (15, 1399091), (43, 488055), (129, 162685), (215, 97611), (645, 32537)]