20528670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684289}}^1$

素因数の和:684299

約数の個数: 16

約数和(自身を含む): 49268880

約数和(自身を除く): 28740210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684289, 1368578, 2052867, 3421445, 4105734, 6842890, 10264335, 20528670]

約数ペア:

[(1, 20528670), (2, 10264335), (3, 6842890), (5, 4105734), (6, 3421445), (10, 2052867), (15, 1368578), (30, 684289)]