20678074564

素因数分解:

$2^2\times 7^1\times {\mathrm{853}}^1\times {\mathrm{865771}}^1$

素因数の和:866635

約数の個数: 24

約数和(自身を含む): 41404680128

約数和(自身を除く): 20726605564

約数列:

[1, 2, 4, 7, 14, 28, 853, 1706, 3412, 5971, 11942, 23884, 865771, 1731542, 3463084, 6060397, 12120794, 24241588, 738502663, 1477005326, 2954010652, 5169518641, 10339037282, 20678074564]

約数ペア:

[(1, 20678074564), (2, 10339037282), (4, 5169518641), (7, 2954010652), (14, 1477005326), (28, 738502663), (853, 24241588), (1706, 12120794), (3412, 6060397), (5971, 3463084), (11942, 1731542), (23884, 865771)]