20506252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12769

約数の個数: 24

約数和(自身を含む): 39896192

約数和(自身を除く): 19389940

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12721, 25442, 50884, 165373, 330746, 394351, 661492, 788702, 1577404, 5126563, 10253126, 20506252]

約数ペア:

[(1, 20506252), (2, 10253126), (4, 5126563), (13, 1577404), (26, 788702), (31, 661492), (52, 394351), (62, 330746), (124, 165373), (403, 50884), (806, 25442), (1612, 12721)]