20201188

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6619}}^1$

素因数の和:6739

約数の個数: 24

約数和(自身を含む): 40779200

約数和(自身を除く): 20578012

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6619, 13238, 26476, 46333, 92666, 185332, 721471, 1442942, 2885884, 5050297, 10100594, 20201188]

約数ペア:

[(1, 20201188), (2, 10100594), (4, 5050297), (7, 2885884), (14, 1442942), (28, 721471), (109, 185332), (218, 92666), (436, 46333), (763, 26476), (1526, 13238), (3052, 6619)]