20788326

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9898

約数の個数: 40

約数和(自身を含む): 50169504

約数和(自身を除く): 29381178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9871, 19742, 29613, 59226, 88839, 128323, 177678, 256646, 266517, 384969, 533034, 769938, 799551, 1154907, 1599102, 2309814, 3464721, 6929442, 10394163, 20788326]

約数ペア:

[(1, 20788326), (2, 10394163), (3, 6929442), (6, 3464721), (9, 2309814), (13, 1599102), (18, 1154907), (26, 799551), (27, 769938), (39, 533034), (54, 384969), (78, 266517), (81, 256646), (117, 177678), (162, 128323), (234, 88839), (351, 59226), (702, 29613), (1053, 19742), (2106, 9871)]