20512373778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87659717}}^1$

素因数の和:87659738

約数の個数: 24

約数和(自身を含む): 47862206028

約数和(自身を除く): 27349832250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87659717, 175319434, 262979151, 525958302, 788937453, 1139576321, 1577874906, 2279152642, 3418728963, 6837457926, 10256186889, 20512373778]

約数ペア:

[(1, 20512373778), (2, 10256186889), (3, 6837457926), (6, 3418728963), (9, 2279152642), (13, 1577874906), (18, 1139576321), (26, 788937453), (39, 525958302), (78, 262979151), (117, 175319434), (234, 87659717)]