20292489

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{383}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 34784256

約数和(自身を除く): 14491767

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 383, 609, 841, 1149, 1827, 2523, 2681, 3447, 5887, 7569, 8043, 11107, 17661, 24129, 33321, 52983, 77749, 99963, 233247, 322103, 699741, 966309, 2254721, 2898927, 6764163, 20292489]

約数ペア:

[(1, 20292489), (3, 6764163), (7, 2898927), (9, 2254721), (21, 966309), (29, 699741), (63, 322103), (87, 233247), (203, 99963), (261, 77749), (383, 52983), (609, 33321), (841, 24129), (1149, 17661), (1827, 11107), (2523, 8043), (2681, 7569), (3447, 5887)]