20518094

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1663}}^1$

素因数の和:1895

約数の個数: 16

約数和(自身を含む): 31948800

約数和(自身を除く): 11430706

約数列:

[1, 2, 31, 62, 199, 398, 1663, 3326, 6169, 12338, 51553, 103106, 330937, 661874, 10259047, 20518094]

約数ペア:

[(1, 20518094), (2, 10259047), (31, 661874), (62, 330937), (199, 103106), (398, 51553), (1663, 12338), (3326, 6169)]