20282728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133439}}^1$

素因数の和:133464

約数の個数: 16

約数和(自身を含む): 40032000

約数和(自身を除く): 19749272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133439, 266878, 533756, 1067512, 2535341, 5070682, 10141364, 20282728]

約数ペア:

[(1, 20282728), (2, 10141364), (4, 5070682), (8, 2535341), (19, 1067512), (38, 533756), (76, 266878), (152, 133439)]