20553453

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 24

約数和(自身を含む): 31149440

約数和(自身を除く): 10595987

約数列:

[1, 3, 9, 27, 53, 159, 271, 477, 813, 1431, 2439, 2809, 7317, 8427, 14363, 25281, 43089, 75843, 129267, 387801, 761239, 2283717, 6851151, 20553453]

約数ペア:

[(1, 20553453), (3, 6851151), (9, 2283717), (27, 761239), (53, 387801), (159, 129267), (271, 75843), (477, 43089), (813, 25281), (1431, 14363), (2439, 8427), (2809, 7317)]