20551788

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{24821}}^1$

素因数の和:24854

約数の個数: 36

約数和(自身を含む): 54211248

約数和(自身を除く): 33659460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 24821, 49642, 74463, 99284, 148926, 223389, 297852, 446778, 570883, 893556, 1141766, 1712649, 2283532, 3425298, 5137947, 6850596, 10275894, 20551788]

約数ペア:

[(1, 20551788), (2, 10275894), (3, 6850596), (4, 5137947), (6, 3425298), (9, 2283532), (12, 1712649), (18, 1141766), (23, 893556), (36, 570883), (46, 446778), (69, 297852), (92, 223389), (138, 148926), (207, 99284), (276, 74463), (414, 49642), (828, 24821)]