20486492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2417}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 38862096

約数和(自身を除く): 18375604

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2417, 4238, 4834, 8476, 9668, 31421, 62842, 125684, 393971, 787942, 1575884, 5121623, 10243246, 20486492]

約数ペア:

[(1, 20486492), (2, 10243246), (4, 5121623), (13, 1575884), (26, 787942), (52, 393971), (163, 125684), (326, 62842), (652, 31421), (2119, 9668), (2417, 8476), (4238, 4834)]