20189869742

素因数分解:

$2^1\times 7^4\times {\mathrm{4204471}}^1$

素因数の和:4204501

約数の個数: 20

約数和(自身を含む): 35330178216

約数和(自身を除く): 15140308474

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 4204471, 8408942, 29431297, 58862594, 206019079, 412038158, 1442133553, 2884267106, 10094934871, 20189869742]

約数ペア:

[(1, 20189869742), (2, 10094934871), (7, 2884267106), (14, 1442133553), (49, 412038158), (98, 206019079), (343, 58862594), (686, 29431297), (2401, 8408942), (4802, 4204471)]