20996226

素因数分解:

$2^1\times 3^3\times {\mathrm{503}}^1\times {\mathrm{773}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 25815294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 503, 773, 1006, 1509, 1546, 2319, 3018, 4527, 4638, 6957, 9054, 13581, 13914, 20871, 27162, 41742, 388819, 777638, 1166457, 2332914, 3499371, 6998742, 10498113, 20996226]

約数ペア:

[(1, 20996226), (2, 10498113), (3, 6998742), (6, 3499371), (9, 2332914), (18, 1166457), (27, 777638), (54, 388819), (503, 41742), (773, 27162), (1006, 20871), (1509, 13914), (1546, 13581), (2319, 9054), (3018, 6957), (4527, 4638)]