20856538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6211}}^1$

素因数の和:6309

約数の個数: 16

約数和(自身を含む): 33097536

約数和(自身を除く): 12240998

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6211, 12422, 142853, 285706, 453403, 906806, 10428269, 20856538]

約数ペア:

[(1, 20856538), (2, 10428269), (23, 906806), (46, 453403), (73, 285706), (146, 142853), (1679, 12422), (3358, 6211)]